Silicone Carboy Hood for CoolStix™

This silicone 3-hole carboy hood is used alongside the BrewBuilt CoolStix™. The holes are for a 1/2" CoolStix, an airlock and a carboy thermowell. The holes measure 0.500", 0.413", & 0.375"

Compatible with smooth neck carboys only. Does not fit Italian threaded neck carboys.