Tapered food grade rubber stopper size #10. Fits the FerMonster and P.E.T. carboys. Available in solid and drilled (3/8 in. hole to fit airlocks).
Stopper dimensions: 1.1 in. x 2 in. x 1.66 in.
Shipping DIMS – Weight: 0.1 lb. | Height: 1.1 in. | Length: 2 in. | Width: 2 in.