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SG Store 4pcs 1/8 Inch NPT Threaded Brass Pneumatic Muffler Connector Brass Pneumatic Silencer Muffler for Cylinders Val Size: L x W approx 11.8mm x 9.8mm, 1/8" NPT threaded.SagaSave 
8pcs Air Silencer Plastic Exhaust Muffler, 1/2" Air Silencer Plastic Exhaust Muffler Pneumatic, Male Thread Absorb Noise Premium Material: The exhaust silencer is crafted from high-quality plastic, effectively reducing noise. It is wear-resiBest Value VIILOCK 
VIILOCK Brass Pneumatic Mufflers, 1/8" NPT Male Thread Hex Sintered Exhaust Muffler Silencer Air Fitting (Pack of 10, N1 Product Name: Air Pneumatic Mufflers; Size: 1/8" NPTSagaSave 
40pcs Air Silencer Plastic Exhaust Muffler, 1/8" Air Silencer Plastic Exhaust Muffler Pneumatic, Male Thread Absorb Nois Premium Material: The exhaust silencer is crafted from high-quality plastic, effectively reducing noise. It is wear-resiVIILOCK 
VIILOCK Brass Pneumatic Mufflers, 1/2" NPT Male Thread Hex Sintered Exhaust Muffler Silencer Air Fitting (Pack of 5, N4) Product Name: Air Pneumatic Mufflers; Size: 1/2" NPTTAILONZ PNEUMATIC 
TAILONZ PNEUMATIC 1/4 Inch BSP Plastic Muffler Solenoid Valve Muffler Element Air Compressor Exhaust Silencer Fitting (P 【Product Name】 Plastic MufflerLIYJTK 
Pneumatic Muffler Exhaust Pipe Noise Filter PP for Cylinder 10Pcs [NOISE FILTERING] Under stable working, this muffler ensures excellent noise reduction for machine exhaust.uxcell uxcell Brass Exhaust Muffler, 1/4" PT Male Thread 19/32" Hex Sintered Air Pneumatic Bronze Muffler with Brass Body Protr Thread Outer Diameter : 1/4"PT ;Thread Length : 0.33" ; Hex Width : 19/32"uxcell uxcell Exhaust Muffler G1/4 Male Thread Sintered Stainless Steel Breather Pneumatic Air Muffler Thread Diameter: G1/4; Interface Length: 11mm / 0.43 InchZLYY ZLYY 5Pcs Brass Air Pneumatic Mufflers, 1/2" Male Thread Hex Sintered Bronze Exhaust Muffler Silencer (Pack of 5 with 1 Thread size: 1/2"; Package includes: 5 sintered bronze mufflers, 1 teflon tapeuxcell uxcell Air Pneumatic Mufflers, G1/8" Male Thread Pneumatic Noise Reduce Hex Sintered Bronze Brass Air Breather Vent Fitt Material: Brass; Maximum Pressure: 300PSI; Max Operating Temp: 35F-300F; Thread Size: G1/8 inch; Length: 13mm / 0.51 incuxcell uxcell 2pcs 1/8" PT Male Thread Brass Pneumatic Valve Muffler Silencers Product Name : Pneumatic Muffler;Thread Size : 1/8" PTZLYY ZLYY 5Pcs Brass Air Pneumatic Mufflers, 1/4" Male Thread Hex Sintered Bronze Exhaust Muffler Silencer (Pack of 5 with 1 Thread size: 1/4"; Package includes: 5 sintered bronze mufflers, 1 teflon tapeuxcell uxcell Pneumatic Air Muffler G1/4 Male Thread Plastic Breather Exhaust Muffler 2pcs Thread Diameter: G1/4; Interface Length: 8mm / 0.31 Inchuxcell uxcell Pneumatic Air Muffler G1/4 Male Thread Plastic Breather Exhaust Muffler 2pcs Thread Diameter: G1/4; Interface Length: 8mm / 0.31 InchASENENAELE ASENENAELE Pneumatic Valve 4V210-08 DC 24V 5/2-Way with Pneumatic Cylinder Silencer Hose Connector Complete Set 【High-Precision Solenoid Valve】 Number of positions: 5 ways 2 positions; Inlet: PT1/4", Outlet: PT1/4", Exhaust: PT1/8";uxcell uxcell® 1/4" PT Male Threaded Pneumatic Exhaust Noise Blue Plastic Silencer Muffler Product Name : Pneumatic Muffler;Male Thread Diameter : 12.5mm/ 1/4" PTuxcell uxcell Air Pneumatic Mufflers, 4 Pack Top Adjustable Air Flow Speed Controller G1/8 Male Thread Sintered Bronze Exhaust Material: Brass; Maximum Pressure: 300PSI; Max Operating Temp: 35F-300F; Thread Size: G1/8 inch; Length: 33mm / 1.3 inchuxcell uxcell 20PCS Pneumatic Exhaust Muffler, 3/8" NPT Male Sintered Bronze Muffler Air Line Fittings for Pneumatic Tools and Air exhaust muffler is mainly used to reduce the output pressure of compressed gas, thereby reducing the noise when theZUUOZBYY ZUUOZBYY Male Thread Brass Air Pneumatic Noise Reducer Filter Exhaust Muffler Connector (G1) 100% brand new and .TopHomer Pneumatic Silencer, Air Flow Exhaust Muffler, Male Thread Sintered Air Line Fitting for Solenoid Valve Cylinder, Pack of Reduce Noise: The silencers are perfect for reducing noise of the pneumatic components or device exhaust. Working Temperuxcell uxcell 3 pcs Pneumatic Exhaust Muffler, 1/8" NPT Male Sintered Bronze Muffler Air Line Fittings for Pneumatic Tools and Air exhaust muffler is mainly used to reduce the output pressure of compressed gas, thereby reducing the noise when theAsixxsix Asixxsix Pneumatic Vibrator, Pneumatic Air Turbine Vibrator with Muffler, 0.2-0.6Mpa Frequency Oscillator with Muffler P ALUMINUM ALLOY Cover: The Cover of the pneumatic vibrator is made of aluminum alloy, which is lightweight, corrosion resULDIGI ULDIGI 4pcs Brass Pneumatic Mufflers Male Thread Exhaust Silencers with Sintered Bronze Filter for Air Valves Cylinders Muffler repair--with male thread design, this pneumatic muffler is easy to install and take off,air pneumatic mufflers suxcell uxcell Sintered Bronze Exhaust Muffler Top Adjustable G1/8 Pneumatic Air Muffler Air Flow Speed Controller Brass Flow Co ►【FEATURE】- Sintered Bronze Exhaust Muffler used to reduce dynamic noise of the pneumatic components or device exhaust.Vogueing Tool Vogueing Tool 3/4" BSP Male Thread Pneumatic Muffler Exhaust Muffler Adjustable Brass Air Flow Speed Controller for Cyli Made of high quality brass material, durable in useSagaSave 10pcs Air Silencer Plastic Exhaust Muffler, 3/8" Air Silencer Plastic Exhaust Muffler Pneumatic, Male Thread Absorb Nois Premium Material: The exhaust silencer is crafted from high-quality plastic, effectively reducing noise. It is wear-resiBonsicoky Bonsicoky Air Pneumatic Mufflers, 3 Pack 1/8" Male Thread Sintered Brass Air Exhaust Silencer, Industrial Pneumatic Equi Convenient three-piece set： This Bonsicoky pack includes three sintered brass exhaust mufflers, each featuring a 1/8" maHAAMNING7 HAAMNING7 Pneumatic Mufflers, 12Pcs 1/8" Male Thread Sintered Bronze Exhaust Silencer, Hex Sintered Silencer Air Line Fi Material: The main material of the sintered bronze muffler is copper. Anti-corrosion, not easy to rust. Hard and not easLHaefydore 5Pcs G1/2 Pneumatic Muffler Throttle, Brass for Air Exhaust Noise Reduction, Long Head Muffler with Quick Connection for Effective Noise Reduction: This brass pneumatic muffler throttle significantly lowers exhaust noise from pneumatic compoTiiyee Vacuum Generator with Silencer, CV 15HS Air Exhaust Ejector Fitting Aluminum Alloy Compact Compressed Precision Threads [Aluminum Alloy Material Vacuum Generator Valve]: Compressed air exhaust precision threads with silencer vacuum generatouxcell uxcell Pneumatic Air Muffler G1/2 Male Thread Plastic Breather Exhaust Muffler 2pcs Thread Diameter: G1/2; Interface Length: 11mm / 0.31 InchJiozermi Jiozermi 12 Pcs Pneumatic Sintered, Brass Air Pneumatic Muffler Silencer, Pneumatic Exhaust Muffler, 1/8 NPT Male Air Si 【Product Size】: You will receive 3 piece brass muffler. The total length of each muffler is 0.45 inch. The muffler threaZyjGaliliad 5Pcs G1/2 Pneumatic Muffler Throttle, Brass for Air Exhaust Noise Reduction, Long Head Industrial Muffler with Quick Con Noise Reduction Performance: This brass pneumatic muffler effectively reduces dynamic exhaust noise from pneumatic compoYardwe Yardwe Pneumatic Mufflers and Quick Installation 8pcs Copper 1/8 Inch Npt Thread Air Compressor Silencers with Efficient Durable and reliable: the pneumatic is made from copper, which makes it highly durable and reliable,airflow regulator,muOperitacx Operitacx Pneumatic Mufflers for Pneumatic Equipment 8pcs 1/8 Inch Npt Copper Air Control Exhaust Silencers with Efficie Durable and reliable: the pneumatic is made from copper, which makes it highly durable and reliable,air supply silencer,ELAYARD ELAYARD 10pcs Thread Brass Pneumatic Muffler Silencer Exhaust Noise Reducer Structure Easy Install for Air Compressors a Air pneumatic muffler--loosen or tighten the pneumatic muffler can affect the air cleaning speeds,pneumatic air mufflerCHICAMPERA CHICAMPERA 8pcs 1/8 Inch Npt Thread Valved Compressed Pneumatic Mufflers Made of Copper with Quick Installation and Effi Durable and reliable: the pneumatic is made from copper, which makes it highly durable and reliable,air muffler,air pneuRUNROTOO RUNROTOO 8pcs Pneumatic 1/4 Air Solenoid Valve Copper Mufflers for Industrial Fields Allows Airflow and Prevents Sound T Pneumatic cylinder quick exhaust valves:easy installation and nose reduction result, quick and stable connection, meet yNOLITOY NOLITOY 4pcs Brass Pneumatic Silencers with Valved Thread, Metal Construction Blocks Sound Transmission and Allows Airfl Valved muffler:loosening or tightening the pneumatic will affect the air purification speed,Exhaust MufflerMobestech Mobestech Brass Pneumatic Muffler Silencers Quick and Connections 10pcs with /4 Thread, Copper Material, Multi-layer Str Air pneumatic muffler--mufflers the propagation of sound waves, allowing airflow through, is an effective tool to controAlasum Alasum 8pcs Npt Copper Pneumatic Air Flow Control Silencers Mufflers for Exhaust Noise Reduction Pneumatic Muffler with Easy installation: experience easy and convenient installation with the standard 1/8 inch npt interface,air pneumatic muTOBBOMEY TOBBOMEY Pneumatic Mufflers 8pcs Copper with Efficient Noise Reduction 1/8 Inch Npt Thread Airflow Control Exhaust Silen Air silencer--pneumatic air exhaust is easy to attach on the pneumatic equipment, which is convenient to use,airflow regCHICAMPERA CHICAMPERA 10pcs Brass Silencer Pneumatic Mufflers G1/4 Male Thread, Multi-layer Structure, Easy Installation for Air To Muffler silencer:these pneumatic mufflers are made of brass material, durable in use,pneumatic mufflerNULYLU NULYLU Brass Pneumatic Muffler Copper Material with /4 Thread 10pcs Features Concentrated Noise Elimination and Quick Co Car muffler silencer--mufflers utitlize porous bronze filter elements secured to standard pipe fittings,pneumatic muffleDan&Dre DAN&DRE 5pcs / Set Brass Pneumatic Muffler Air Speed Control 1/8 Valve This muffler is made of brass material, in useHealifty Healifty 8pcs 1/4 Pneumatic Mufflers for Solenoid Valve Connectors, Copper Material Protective Airflow Function, Suitabl Air compressor muffler--is used to reduce dynamic noise of the pneumatic components or device,mufflerMUELODSIC MUELODSIC 8pcs 1/8 Inch Npt Threaded Air Pneumatic Mufflers for Pneumatic Equipment, Copper Material with Efficient Nois Suitable for: the pneumatic is compatible with a wide range of pneumatic equipment,noise reducer silencer industrial,exhLIFKICH LIFKICH Pneumatic Muffler for High Rate Noise Elimination 10pcs Copper with /4 Thread, Multi-layer Structure Suitable fo Car muffler:mufflers the propagation of sound waves, allowing airflow through, is an effective tool to control noise,pneTotority Totority Pneumatic Mufflers for Pneumatic Equipment Air Control Silencers 8pcs 1/8 Inch Npt Thread Copper with Efficient Efficient noise reduction: the pneumatic air exhaust provides effective noise reduction to create a quieter working enviNESTINGHO NESTINGHO Brass Pneumatic Muffler Silencers for High Rate Noise Elimination Multi-layer Structure with /4 Thread Quick a Silencer:these compact and inexpensive mufflers are easy to install and maintain, particularly suitable where space is lLuxshiny Luxshiny Pneumatic Muffler Multi-layer Structure /4 Thread 10pcs Copper Exhaust Muffler and High Noise Reduction Easy In Pneumatic muffler--multi-layer structure, can adapt to high, medium and low frequency concentrated noise elimination, caHealeved Healeved 8pcs Pneumatic Mufflers 1/8 Inch Npt Thread Sintered Copper Air Flow Control Exhaust Mufflers with Efficient No Suitable for: the pneumatic is compatible with a wide range of pneumatic equipment,flow control silencer,airflow regulatMinkissy minkissy Pneumatic Muffler Copper Exhaust Silencer /4 Thread 10pcs with Multi-layer Structure and Easy Installation for Pneumatic muffler--it is an important measure to eliminate the noise,silencer mufflerNOLITOY NOLITOY 10pcs Pneumatic Silencer Muffler with G1/4 Thread, Brass Material for Quick and Reliable Connections, Concentrat Muffler silencer:the muffler is a kind of device which prevents the sound from propagating and allows the airflow to pasWESIEVYA WESIEVYA Brass Pneumatic Mufflers for Efficient Noise Reduction 4pcs with Threaded Valved Connectors Sturdy Brass Materi Pneumatic muffler:reasonable design makes it easy to use, easy to install and disassemble,Valved MufflerHEANUJJ HEANUJJ 10pcs Brass Pneumatic Muffler G1/4 Thread Multi-layer Structure with Porous Sintered Bronze Filter Elements Gold Car muffler:commonly used with cylinder, crank case, gear box, oil tank, reservoir, air tool, etc,pneumatic mufflersHOMOCONO HOMOCONO Pneumatic Muffler with Easy Installation /4 Thread 10pcs Brass Silencer and Multi-layer Structure for Efficient Car muffler silencer:it is an important measure to eliminate the noise,muffler silencerOSOLADY OSOLADY 10pcs Pneumatic Silencer Brass Exhaust Muffler G1/4 Thread, High Noise Reduction and Easy Installation, Multi-la -- a noise-reducing device installed in the of an aerodynamic device(like blower air compressor), or in an intake and syGALPADA GALPADA Pneumatic Mufflers with Efficient Noise Reduction 1/8 Inch Npt Thread 8pcs Copper Airflow Silencers and Easy to Quick installation: the pneumatic can be easily and quickly installed using the standard 1/8 inch npt interface,silencerAnneome Anneome 10pcs Brass Exhaust Muffler with G1/4 Thread for Reservoir and Oil Tank, High Noise Reduction and Easy Installat Air compressor muffler silencer:mufflers the propagation of sound waves, allowing airflow through, is an effective toolLIFKICH LIFKICH Pneumatic Mufflers Extended Service Life 1/4 Inch 8pcs Copper Air Fitting Solenoid Valve Mufflers Easy Installat Pneumatic cylinder quick exhaust valves--pneumatic muffler can help you reduce noise and can adapt to noise eliminationGANAZONO GANAZONO 10pcs Brass Pneumatic Silencer Exhaust Muffler with G1/4 Thread, Copper Material for High Noise Reduction and C Silencer muffler:these pneumatic mufflers are made of brass material, durable in use,pneumatic mufflersTOKIDNY TOKIDNY 10pcs Pneumatic Muffler with G1/4 Thread, Brass Silencer for Air Tool and Cylinder, Copper Material, Multi-layer Pneumatic air muffler--easy installation and high noise reduction result, quick and reliable connections,car mufflerSosoport Sosoport Pneumatic Muffler and High Noise Reduction /4 Thread Brass Exhaust Muffler 10pcs with Multi-layer Structure Eas Pneumatic muffler--these pneumatic mufflers are made of brass material, durable in use,air exhaust mufflerNIYANGLE NIYANGLE Pneumatic Mufflers Preventing Sound Transmission 8pcs Copper 1/4 Inch Air Fitting Solenoid Valve Noise Silencer Compressed pneumatic mufflers--flat head muffler, meeting different needs, reducing noise, convenient for replacement anCIYODO CIYODO 10pcs Brass Pneumatic Mufflers G1/4 Thread Multi-layer Structure for Crank Case and Reservoir with Easy Installat Air pneumatic muffler:these compact and inexpensive mufflers are easy to install and maintain, particularly suitable wheGALPADA GALPADA 8pcs 1/4 Inch Copper Pneumatic Mufflers for Solenoid Valve and Pneumatic Components, Industrial Air Silencers Pr Air compressor accessories:is used to reduce dynamic noise of the pneumatic components or device,pneumatic mufflersJHKNNK JHKNNK 8pcs Copper Air Pneumatic Mufflers 1/4 Inch Male Thread Solenoid Valve Silencers Easy Installation for Industrial Air nozzle: reducing noise level suitable for pneumatic components, widely used in industrial fields,motorcycle mufflerGARVALON GARVALON 10pcs Brass Pneumatic Silencer Muffler with G1/4 Thread for Cylinder and Reservoir, Copper Material with High N Silencer:a muffler is a noise-reducing device installed in the of an aerodynamic device(like blower air compressor), orHEALEEP HEALEEP Brass Pneumatic Muffler Copper Exhaust Silencer 10pcs /4 Thread with Quick Connections and High Rate Noise Elimi Silencer--loosen or tighten the pneumatic muffler can affect the air cleaning speeds,air exhaust silencerCLISPEED CLISPEED Pneumatic Silencer Quick and Connections Brass Muffler 10pcs /4 Thread Copper Exhaust Muffler with Multi-layer Pneumatic mufflers:the female side nut is adjustable, you can adjust it by rotation the nut,car mufflerOSOLADY OSOLADY Copper Pneumatic Mufflers 8pcs for Solenoid Valve Noise Reduction 1/4 Inch and Easy Installation Threaded Design Pneumatic air muffler--pneumatic muffler can help you reduce noise and can adapt to noise elimination requirements,coldCLISPEED CLISPEED 4pcs Brass Pneumatic Muffler Silencer with Threaded Connection, Practical Air Compressor Exhaust Silencer, Bloc Pneumatic:these pneumatic mufflers are made of , safe and durable, and have excellent texture,CopperMAGICLULU MAGICLULU Pneumatic Muffler Easy Installation /4 Thread Brass Silencer 10pcs with Multi-layer Structure, Copper Material --loosen or tighten the pneumatic can affect the air cleaning speeds,carMinkissy minkissy Pneumatic Mufflers 1/8 Inch Npt Thread for Pneumatic Equipment 8pcs Air Control Silencers Copper Air Control Si Air compressor muffler silencer--pneumatic air exhaust is easy to attach on the pneumatic equipment, which is convenientSOESFOUFU SOESFOUFU Brass Pneumatic Muffler Silencers Easy Installation /4 Thread 10pcs Copper Material Adapt to High Rate Noise E Car muffler silencer--mufflers utitlize porous bronze filter elements secured to standard pipe fittings,muffler silencerLALADEFIEE LALADEFIEE 10pcs Brass Pneumatic Muffler G1/4 Thread for Oil Tank and Crank Case, Copper Material, High Noise Reduction, Pneumatic exhaust muffler:these compact and inexpensive mufflers are easy to install and maintain, particularly suitableOSOLADY OSOLADY Pneumatic Muffler and 4pcs Silencer /2 Male Thread Brass Multi-layer Structure for Noise Reduction Quick Connect Car sound enhancer--these compact and inexpensive mufflers are easy to install and maintain, particularly suitable whereZerodeko Zerodeko 10pcs Brass Pneumatic Muffler G1/4 Thread Air Solenoid Silencer with Multi-layer Structure, Easy Installation, Air exhaust muffler:the muffler is a kind of device which prevents the sound from propagating and allows the airflow toWESIEVYA WESIEVYA 10pcs Pneumatic Muffler G1/4 Thread Copper Pneumatic Silencer with Multi-layer Structure for Oil Tank and Reser Air exhaust muffler:the muffler is a kind of device which prevents the sound from propagating and allows the airflow toLOLIPPYY LOLIPPYY Pneumatic Mufflers Air Fitting Silencers Copper 1/4 Inch Threaded 8pcs Easy Installation, Sound Transmission Pr Muffler:is used to reduce dynamic noise of the pneumatic components or device,pneumatic air regulator control valveKICHOUSE KICHOUSE 10pcs Brass Pneumatic Muffler G1/4 Thread Pneumatic Silencer with Multi-layer Structure, High Noise Reduction a Pneumatic air muffler--a muffler is a noise-reducing device installed in the of an aerodynamic device(like blower air coOHPHCALL OHPHCALL Copper Pneumatic Mufflers Extends Service Life and Allows Airflow 1/4 Inch 8pcs for Solenoid Valve and Pneumati Pneumatic mufflers:is used to reduce dynamic noise of the pneumatic components or device,air compressor accessoriesMobestech Mobestech Pneumatic Silencer with Multi-layer Structure 4pcs Copper /2 Male Thread Muffler for High Rate Noise Reduction Air compressor muffler:it is an important measure to eliminate the noise, bronze exhaustCiieeo Ciieeo 10pcs Brass Pneumatic Muffler G1/4 Male Thread, High Noise Reduction Copper Silencer for Reservoir and Gear Box, Muffler silencer:multi-layer structure, can adapt to high, medium and low frequency concentrated noise elimination, canTOVINANNA TOVINANNA Copper Pneumatic Mufflers Prevents Sound Transmission 8pcs 1/4 Inch Easy Installation for Solenoid Valve Suita Pneumatic fittings:pneumatic muffler can help you reduce noise and can adapt to noise elimination requirements,air comprWESIEVYA WESIEVYA 8pcs 1/4 Inch Copper Air Pneumatic Mufflers for Pneumatic Components and Solenoid Valves, Noise Reduction and A Air pipe fittings--pneumatic muffler can help you reduce noise and can adapt to noise elimination requirements,air mufflFRCOLOR FRCOLOR 10pcs Pneumatic Muffler Exhaust Silencers with G1/4 Male Thread, Copper Material for High Noise Reduction and Qu Car muffler--mufflers utitlize porous bronze filter elements secured to standard pipe fittings,air mufflerTotority Totority Brass Valved Pneumatic Muffler Silencers Suitable for Industrial Compressed Air Systems 4pcs with Threaded Desi Brass valved muffler:the pneumatic mainly controls the movement speed of the cylinder by adjusting the speed,CopperNESTINGHO NESTINGHO 4pcs Pneumatic Silencer G1/2 Male Thread Brass Muffler with Multi-layer Structure, Easy Installation and High silencer--these pneumatic mufflers are made of brass material, durable in use,pneumaticJECOMPRIS JECOMPRIS 10pcs Brass Pneumatic Silencer Mufflers with G1/4 Thread, Copper Material, Multi-layer Structure for Reservoir Air pneumatic muffler--these pneumatic mufflers are made of brass material, durable in use,pneumatic mufflersTotority Totority 10pcs Brass Pneumatic Muffler with G1/4 Thread for Air Tool and Gear Box, Copper Material with Multi-layer Stru Air compressor muffler silencer--they are used to diffuse air and muffler noise from the exhaust ports of air valves, aiPAMINGONO PAMINGONO Brass Pneumatic Muffler Easy Installation /4 Thread Copper Silencer 10pcs with Multi-layer Structure and High Air pneumatic muffler--easy installation and high noise reduction result, quick and reliable connections,noise mufflerPACKOVE PACKOVE 10pcs Brass Pneumatic Muffler G1/4 Thread Copper Silencer with Multi-layer Structure for High Flow Rate Noise El Muffler--mufflers the propagation of sound waves, allowing airflow through, is an effective tool to control noise,air coHealeved Healeved 10pcs Copper Pneumatic Muffler with G1/4 Thread for Air Tool and Reservoir, High Flow Rate Noise Elimination an Air exhaust silencer--these pneumatic mufflers are made of brass material, durable in use,air mufflerLIFKICH LIFKICH Pneumatic Muffler Exhaust Silencer Brass Copper /2 Male Thread 4pcs with Multi-layer Structure and Noise Reducti Car silencer:commonly used with cylinder, crank case, gear box, oil tank, reservoir, air tool, etc, silencerJEWEDECO JEWEDECO 8pcs Pneumatic Mufflers for Solenoid Valve and Pneumatic Components, Copper Material Easy Installation, Extends Pneumatic control solenoid valve--prevents sound transmission and allows airflow through, can help you reduce noise wellIpetboom Ipetboom 8pcs Copper Pneumatic Mufflers 1/4 Inch Air Fitting Solenoid Valve Muffler Protective Role for Industrial Field Louver--solenoid valved can play a good protective role, and extend the service life of the solenoid valved,pneumatic toGadpiparty Gadpiparty Brass Pneumatic Muffler Silencers Multi-layer Structure 4pcs /2 Male Thread Copper Material for High Rate Noi Air muffler--they are used to diffuse air and muffler noise from the exhaust ports of air valves, air cylinders and air