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This S-bubble airlock is the preferred choice for secondary fermenters, as it allows you to monitor the pressure in the fermenter. Fill to line wit...

This 3-piece airlock is ideal for primary fermenters, as it allows you to monitor the CO2 release from the fermenter. Fill to line with boiled wate...

Pack of 2 The 3-Piece airlock is the best choice for the primary fermenter, since it comes apart for easy cleaning in the event of a blow-off. Fill...

Pack of 12. The 3-Piece airlock is the best choice for the primary fermenter, since it comes apart for easy cleaning in the event of a blow-off. Fi...

Includes: 3 Piece Airlock These caps are used in place of rubber traditional stoppers; they easily fit on to MOST carboys (with an exception of the...

Pack of 3. This S-bubble airlock is the preferred choice for secondary fermenters, as it allows you to monitor the pressure in the fermenter. Fill ...

Pack of 10 This 3-piece airlock is ideal for primary fermenters, as it allows you to monitor the CO2 release from the fermenter. Fill to line with ...

Pack of 2 This 3-piece airlock is ideal for primary fermenters, as it allows you to monitor the CO2 release from the fermenter. Fill to line with b...

Pack of 2 This S-bubble airlock is the preferred choice for secondary fermenters, as it allows you to monitor the pressure in the fermenter. Fill t...

Solid, plastic bung with longer taper. Fits a wider range of demi-johns and carboys. Lip prevents bung from falling into carboy. 41 mm - Bottom 51 ...

Drilled, plastic bung with longer taper. Fits a wider range of demi-johns and carboys. Lip prevents bung from falling into carboy. 41 mm - Bottom 5...

Rubber stoppers provide an air-tight seal to carboys, necessary for proper fermentation. BPA free and made out of Food Grade materials. Maximum Te...

Rubber stoppers provide an air-tight seal to carboys, necessary for proper fermentation. BPA free and made out of Food Grade materials. Maximum T...

Solid core, no airlock hole. Plastic bung with longer taper. Fits a wider range of demi-johns and carboys. Lip prevents bung from falling into carboy.

Rubber stoppers provide an air-tight seal to carboys, necessary for proper fermentation. BPA free and made out of Food Grade materials. Maximum T...

Fits the Fermonster Carboys and Better Bottle Carboys. Rubber stoppers provide an air-tight seal to carboys, necessary for proper fermentation. BPA...

#7.5 - This rubber stopper is for typical plastic carboys and fits a 1000ml flask. Rubber stoppers provide an air-tight seal to carboys, necessary ...

Solid stopper Top Diameter: 1-1/16" (42.9mm) Bottom Diameter: 1-7/16" (36.6 mm) Length: Approximately 1"

#6.5 - This rubber stopper is for typical glass carboys and our plastic buckets. Rubber stoppers provide an air-tight seal to carboys, necessary fo...

Drilled, rubber bung. Fits most glass demi-johns. Top Diameter: 45mm, 1-25/32". Bottom Diameter: 37mm, 1-15/32". Length: 25mm, 1".

Rubber stoppers provide an air-tight seal to carboys, necessary for proper fermentation. BPA free and made out of Food Grade materials. Maximum Te...

Rubber stoppers provide an air-tight seal to carboys, necessary for proper fermentation. BPA free and made out of Food Grade materials. Maximum Tem...

#2 - This rubber stopper fits most standard sized bottles Size: 5 TopDiameter: (20mm 3/4") Bottom Diameter: (16mm 5/8") Length: (25mm 1')

#6.5 - This rubber stopper is for typical glass carboys and our plastic buckets. Rubber stoppers provide an air-tight seal to carboys, necessary fo...

#13 - This rubber stopper is for mason jars Size: 13 TopDiameter: (68mm 2-11/16') Bottom Diameter: (58mm 2-9/32') Length: (25mm 1') One Hole Diamet...

Solid core, no airlock hole. Plastic bung with longer taper. Fits a wider range of demi-johns and carboys. Lip prevents bung from falling into carb...

Rubber grommet designed for plastic bucket lids, providing a secure fit for an airlock without the need for a conventional rubber bung.

These caps are used in place of rubber traditional stoppers; they easily fit on to MOST carboys (with an exception of the 1 gallon jug type carboy,...

The 3-Piece airlock is the best choice for the primary fermentor, since it comes apart for easy cleaning in the event of a blow-off. Fill to the li...

This S-Shape bubble airlock is the preferred choice for secondary fermenters, as it allows you to monitor the pressure in the fermenter. Fill to li...

Seal with Precision: Premium Silicone Rubber Stopper with Hole #7 Elevate craft brewing and DIY projects with our versatile Silicone Rubber Stopper...

Drilled, plastic bung with longer taper. Fits a wider range of demi-johns and carboys. Lip prevents bung from falling into carboy.

Solid core, no airlock hole. Plastic bung with longer taper. Fits a wider range of demi-johns and carboys. Lip prevents bung from falling into carb...

#2 - This rubber stopper fits most standard sized bottles Size: 5 TopDiameter: (20mm 3/4") Bottom Diameter: (16mm 5/8") Length: (25mm 1') One Hole ...