Features
This rubber grommet fits a 1/2" hole leaving you with a 3/8" ID, perfect for an air lock.
More options
-
Plastic Spoon 71cm$ 6.25
908 -
Stir Plate$ 67
1345 -
Diffusion Stone - 2 Micron Oxygen Stone$ 12.95
1023 -
Belgian Candi Syrup - D45 Amber 1lb$ 10
1013 -
Barbed Plastic Spigot$ 3.95
1429
