Drilled rubber stopper for home brewing or wine making with 3/8in hole for standard airlocks. Fits many 3 to 6.5 gallon glass carboys. Made of natural pure gum rubber. Not for laboratory use. Fits 1-5/16in opening.

Specifications:
Size: #7
Type: Drilled
Material: Rubber
Top Diameter: 1-7/16in
Bottom Diameter: 1-3/16in
Length: 1in

• Size: #7
• Top Diameter: 1-7/16in
• Bottom Diameter: 1-3/16in
• Food grade natural pure gum rubber
• 10-Pack

Size: #7Fermenthaus