It is 6.5 size rubber stopper.
Drilled to accept airlock or tubing.
Top diameter - 37 mm, 1.46"
Bottom diameter - 30 mm, 1.18"
Drilled to accept airlock or tubing.
Top diameter - 37 mm, 1.46"
Bottom diameter - 30 mm, 1.18"
1 Review Hide Reviews Show Reviews
-
Rubber bung
Stopper shipped on time. Size as advertised. Good quality.