They can handle a vacuum to 120 psi - so you need not worry about them leaking gas
giving you a better chance of keeping bacteria's and wild yeasts from fermenting your wort
try to maintain a consistent liquid temperature around 68°F (20°C)
Air Distributors - Extruded Aluminum BodyQuickly and easily convert from Right Hand Inlet t o Left Hand Inlet or Passthru3 Outlets- 1/4" MFL Inlet + Cap/Washer to 1/4" Ba rb Shutoff (Outlets)Check Valve Included
Thunder Group 1006TP 6 Inch Round Plate Break-Resistant BPA Free Melamine Peacock Type_Paddle They can handle a vacuum12 pack 6" Diameter x 1 2" Height, Round Plate, Peacock Dinnerware, Melamine, BPA Free, Dishwasher Safe, Break Resistant, Shatter Resistant, No Microwave, No Oven, NSF