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Universal Air Lock Stoppers

Replace those yellowed and dried out rubber laboratory stoppers with the latest invention to change the way we use air locks.

Laboratory and Air Lock Rubber Stoppers

Our standard grade stoppers are manufactured from a premium grade rubber compound. The material is soft, pliable and long lasting. Solid and one-hole stoppers are stocked for immediate shipment. Hole size is 3/8 inch and accepts any of our air locks.

Drilled No. 2.0 Stopper $0.40
Solid No. 2.0 Stopper $0.50

Drilled No. 3.0 Stopper $0.60

Drilled No. 5.5 Stopper $0.60
Solid No. 5.5 Stopper $0.60

Drilled No. 6.0 Stopper $0.65

Drilled No. 6.5 Stopper $0.70
Solid No. 6.5 Stopper $0.80

Drilled No. 7.0 Stopper $0.90
Solid No. 7.0 Stopper $0.90

Drilled No. 7.5 Stopper $1.25
Solid No. 7.5 Stopper $1.15

Drilled No. 8.0 Stopper $1.30

Drilled No. 8.5 Stopper $1.80

Drilled No. 9.5 Stopper $2.20

Drilled No. 10.0 Stopper $2.05
Solid No. 10.0 Stopper $1.95

Drilled No. 10.5 Stopper $2.90
Solid No. 10.5 Stopper $2.55

Drilled No. 11.0 Stopper $2.25
Solid No. 11.0 Stopper $2.35

Drilled No. 11.5 Stopper $4.50

Drilled No. 12.0 Stopper $4.30

Drilled No. 13.0 Stopper $3.70

Universal Air Lock Stoppers

Laboratory and Air Lock Rubber Stoppers

Fits all glass carboys

Fits all better bottles

For Demi johns