Blow off barb for the FTSs Lids and Brew Bucket/ Brewmaster Bucket Lid. Comes with the blow off barb, 2 gaskets and a lock nut.,Features:,,,Custom tooled for FTSs/Bucket lids!,,,Fits into blow off / airlock hole,,,1/2" hose barb,,,304 Stainless construction,,,Includes 1 spare o-ring,,,(1 o-ring for use / 1 spare)