Stoppers & Airlocks

Basic plastic 3 piece airlock. Works great! Don't forget to fill halfway with water.

Classic shape. Very popular airlock.

Pure Gum Rubber Stopper and Bungs - Assorted - DRILLED with HOLE. Pure gum rubber stoppers and bungs with hole to accept airlocks. High quality sof...

SMALL Universal CARBOY Bungs - Carboy Stopper. White bung with a longer taper for a snugger fit and better seal. 100 per cent FDA approved material...

MEDIUM Universal Drilled P.E.T. Bung (Stopper) Size #10 - Fits ALL of our P.E.T. carboys. Drilled to accept any of our airlocks. Replaces a number ...

Pure Gum Rubber Stopper and Bungs - Assorted - DRILLED with HOLE. Pure gum rubber stoppers and bungs with hole to accept airlocks. High quality sof...

Pure Gum Rubber Stopper and Bungs - Assorted - DRILLED with HOLE. Pure gum rubber stoppers and bungs with hole to accept airlocks. High quality sof...

Replacment grommet for our 2, 6.5 and 7.9 gallon lids for primary fermenters.These grommets are the perfect replacement for those found on standard...

Pure Gum Rubber Stopper and Bungs - Assorted - DRILLED with HOLE. Pure gum rubber stoppers and bungs with hole to accept airlocks. High quality sof...

SMALL Universal CARBOY Bungs - Carboy Stopper. White bung with a longer taper for a snugger fit and better seal. 100 per cent FDA approved material...

Pure SOLID gum stoppers (no hole). Great for bulk aging in carboys.High quality soft gum rubber for a solid seal. Sizes are listed in inches. Sizes...

Pure Gum Rubber Stopper and Bungs - Assorted - DRILLED with HOLE. Pure gum rubber stoppers and bungs with hole to accept airlocks. High quality sof...

MEDIUM Universal Solid P.E.T. Bung (Stopper) Size #10 - Fits ALL of our P.E.T. carboys. Replaces a number 10 rubber bung and a much better fit! Whi...

Size 9.5 Drilled Rubber Stopper 1-11/16 x 1-1/2. Pure Gum Rubber Stopper and Bungs - Assorted - DRILLED with HOLE. Pure gum rubber stoppers and bun...

Pure Gum Rubber Stopper and Bungs - Assorted - DRILLED with HOLE. Pure gum rubber stoppers and bungs with hole to accept airlocks. High quality sof...

Pure Gum Rubber Stopper and Bungs - Assorted - DRILLED with HOLE. Pure gum rubber stoppers and bungs with hole to accept airlocks. High quality sof...

Pure Gum Rubber Stopper and Bungs - Assorted - DRILLED with HOLE. Pure gum rubber stoppers and bungs with hole to accept airlocks. High quality sof...

Pure Gum Rubber Stopper and Bungs - Assorted - DRILLED with HOLE. Pure gum rubber stoppers and bungs with hole to accept airlocks. High quality sof...

Pure SOLID gum stoppers (no hole). Great for bulk aging in carboys.High quality soft gum rubber for a solid seal. Sizes are listed in inches. Sizes...

Pure Gum Rubber Stopper and Bungs - Assorted - DRILLED with HOLE. Pure gum rubber stoppers and bungs with hole to accept airlocks. High quality sof...

Pure Gum Rubber Stopper and Bungs - Assorted - DRILLED with HOLE. Pure gum rubber stoppers and bungs with hole to accept airlocks. High quality sof...

Pure SOLID gum stoppers (no hole). Great for bulk aging in carboys.High quality soft gum rubber for a solid seal. Sizes are listed in inches. Sizes...

Pure White Gum Laboratory Stopper - with 3/8" drilled center hole. Top diameter: 15/16" Bottom diameter: 3/4". Pure Gum Rubber Stopper and Bungs - ...

LARGE Universal DEMI-JOHN Bungs. White bung with a longer taper for a snugger fit and better seal. 100 per cent FDA approved material and NO BPA! L...

Pure SOLID gum stoppers (no hole). Great for bulk aging in carboys.High quality soft gum rubber for a solid seal. Sizes are listed in inches. Sizes...

Pure SOLID gum stoppers (no hole). Great for bulk aging in carboys.High quality soft gum rubber for a solid seal. Sizes are listed in inches. Sizes...

Pure SOLID gum stoppers (no hole). Sizes are listed in inches. This #0 solid stopper fits in the hole of a standard drilled stopper to seal it. Top...