Product Description
No. 11 Drilled Rubber Stopper
Moulded stopper made of food grade material free from BPA. Stoppers provide an air-tight seal when proper size is used. They stick perfectly to Glass and PET, even when they are wet. Comes with moulded hole for airlock.
Top Diameter - 2-1/8"
Bottom Diameter - 1-3/4"
Height - 1"