Triple insulated EcoVessel Boss Growler - 64 oz. Type_Cleaner Drive size is 3/8"

Drive size is 3/8"

and specialized yeast

Pull the sleeve down over the tower

this model features a US Sanke 'D' style spear

Two stage regulators are the only way to have consistent pressure

Triple insulated EcoVessel Boss Growler - 64 oz. Type_Cleaner Drive size is 3/8"These amazing new EcoVessel triple insulated growlers have the best insulation properties on the market. Able to hold cold temperatures for 36 hours and hot temperatures for 8 Hours, this vessel was tested and outperformed every other growlers insulation. We chose to stock EcoVessel products due to their superior insulation, sleek styling and superior quality. EcoVessel growlers include a built in strainer and a two piece lid. The strainer allows you