Drilled to accept airlock or tubing.
Top diameter: 32mm, 1.26 inches. Bottom diameter: 26mm, 1.02 inches

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 1.9 inch
Height : 0.5 inch
Length : 1.9 inch

Item Weight: 0 ounce (View shipping rates and policies)
Shipping Weight: 0.32 ounce (View shipping rates and policies)

ASIN : B01BY582Y0