Stoppers, Plugs & Caps

Better Brew DJ rubber cap 45mm with hole. Fits most demijohns with 40-50mm opening.

Better Brew DJ rubber cap 50mm with hole. Fits most demijohns with 45-55mm opening.

Better Brew DJ rubber cap 60mm with hole. Fits demijohns with 55-65mm opening.

Better Brew Rubber bung 31mm x 26mm (no hole). Fits most standard demijohns.SizeTop - 30mmBase - 26mm

Better Brew Rubber bung 26mm - 31mm with drilled hole. Pre-drilled ready to take your airlock.Fits most standard demijohns.SizeTop - 31mmBase - 26mmNB: This Bung has a hole - If you want an undrilled bung, see our other listing for Solid Bungs

Damejeanne Rubber Cap 40mm with hole Fits most demijohns with 35-45mm opening.

Damejeanne Rubber Cap 50mm with hole. Fits demijohns with 45-55mm opening.

Damejeanne Rubber Cap 55mm with hole Fits most demijohns with 55-60mm opening.

Damejeanne Rubber Cap 60mm with hole Fits demijohns with 55-65mm opening.

Rubber Plug for Airlock - 24/30mm - 9mm hole. 36mm height. Cylindroconical form. Food safe material.

Rubber Seal for Airlock that fits 15L and 30L fermenters.

Durable rubber stopper for test tubes, pistons M.M.

Durable rubber stopper for test tubes, pistons M.M.

Durable rubber stopper for test tubes, pistons M.M.

Durable rubber stopper for test tubes, pistons M.M.

Silicone plug stopper for airlock 17/23mm with 9mm hole. Cylindroconical form, 17mm diameter in one end and 23mm in the other.

Silicone plug stopper for airlock 19/26mm with 9mm hole. Cylindroconical form, 19mm diameter in one end and 26mm in the other.

Silicone plug stopper for airlock 22/29mm with 9mm hole. Cylindroconical form, 22mm diameter in one end and 29mm in the other.

Silicone plug stopper for airlock 25/33mm with 9mm hole. Cylindroconical form, 25mm diameter in one end and 33mm in the other.

Silicone plug for airlock 18/24mm with 9mm hole. Cylindroconical form, 18mm diameter in one end and 24mm in the other.

Silicone plug for airlock 21/27mm with 9mm hole. Cylindroconical form, 21mm diameter in one end and 27mm in the other.

Silicone plug for airlock 23/29mm with 9mm hole. Cylindroconical form, 23mm diameter in one end and 29mm in the other.

Silicone plug for airlock 226/32mm with 9mm hole. Cylindroconical form, 26mm diameter in one end and 32mm in the other.

Silicone plug for airlock 31/38mm with 9mm hole. Cylindroconical form, 31mm diameter in one end and 31mm in the other.

Silicone plug for airlock 41/49mm with 9mm hole. Cylindroconical form, 41mm diameter in one end and 49mm in the other.

Silicone plug stopper for airlock 28/37mm with 9mm hole. Cylindroconical form, 28mm diameter in one end and 37mm in the other.

Silicone plug stopper for airlock 35/45mm with 9mm hole. Cylindroconical form, 35mm diameter in one end and 45mm in the other.

Silicone plug stopper for airlock 42/53mm with 9mm hole. Cylindroconical form, 42mm diameter in one end and 53mm in the other.

Silicone plug stopper for airlock 46/56mm with 9mm hole. Cylindroconical form, 46mm diameter in one end and 56mm in the other.

Silicone plug stopper for airlock 56/65mm with 9mm hole. Cylindroconical form, 56mm diameter in one end and 65mm in the other.

Synthetic Plug - 18/24mm (no hole). Cylindroconical form, 18mm diameter in one end and 24mm in the other. Food grade.

Synthetic plug for airlock 18/24mm with 9mm hole. Cylindroconical form, 18mm diameter in one end and 24mm in the other.