Air Locks & Stoppers

No 11 Drilled Stopper

No. 11 Drilled Rubber Stopper Moulded stopper made of food grade material free from BPA. Stoppers provide an air-tight seal when proper size is used. They stick perfectly to Glass and PET, even when they are wet. Comes with moulded hole for airlock...

Small Universal Stopper - Drilled

Small Universal Stopper - Drilled White, rubber bung with longer taper for snugger fit & better seal. Lip prevents bung from falling into carboy. Fits 3, 5, 6 & 6.5-Gal glass carboys. Fits 3, 5, 6, & 6.5 gallon glass carboys  Made...

Small Universal Stopper - Solid

Small Universal Stopper - Solid White, rubber bung with longer taper for snugger fit & better seal. Lip prevents bung from falling into carboy. Fits 3, 5, 6 & 6.5-Gal carboys. Fits 3, 5, 6, & 6.5 gallon glass carboys  Made of...

Medium Carboy Stopper - Drilled

Medium Carboy Stopper - Drilled These stoppers have a longer taper to help produce a better fit and a snug seal, and a lip which prevents them from falling into your carboy. Both the double bubble and Cylinder Air Locks fit into the drilled hole. Fits...

Medium Carboy Stopper - Solid

Medium Carboy Stopper - Solid These stoppers have a longer taper to help produce a better fit and a snug seal and a lip which prevents them from falling into your carboy.  Fits 3, 5, and 6 gallon PET plastic carboys Top Diameter - 2 3/8" Bottom...

Large Carboy Stopper - Drilled

Large Carboy Stopper - Drilled These stoppers have a longer taper to help produce a better fit and a snug seal, and a lip which prevents them from falling into your carboy. Both the double bubble and Cylinder Air Locks fit into the drilled hole. Fits...

Large Carboy Stopper - Solid

Large Carboy Stopper - Solid These stoppers have a longer taper to help produce a better fit and a snug seal, and a lip which prevents them from falling into your carboy. Both the double bubble and Cylinder Air Locks fit into the drilled hole. Fits 15...