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Best Choice Inkbird 
Inkbird ITC308 Digital Wired Temperature Controller AU Plug Dual Stage Heat Cool Controller for Beer Brewing Homebrew Aq [Easy to Use] Plug-n-Play Design & Supports °C/°F displayBest Value Bonlux 
Bonlux Plug in Digital Thermostat Temperature Control, Heating and Cooling Reptile Thermostat Timer Plug Socket AU, Digi 【Easy to use】 Plug and play design, just plug the device into the thermostat controller socket and set parameters, and tREDPINGUO 
Temperature Controller -50 to 110 Celsius (-58 to 230 F) DC 12V Programmable Heating/Cooling Thermostat Control Switch M Temperature controller monitoring instrument, show the measured temperature (red) and set temperature (blue) at the sameREDPINGUO 
Digital Temperature Controller Thermostat Heating and Cooling Mode Outlet Socket with 1.7m Sensor for Carboy Homebrew Fe 【Easy to use】 Plug-and-play design, just plug the device into this thermostat plug outlet and set parameters, it will woREDPINGUO 
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Heating Belt for FERMENTER Beer Wine Spirits + Thermometer The Australia standard 240v 35 watts heat belt will gentle warmth without creating a hot spot. Heating belts are prefera14% Off Plyisty 
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