Each bag of Grow-It-Yourself material comes in a filter patch bag.
These autoclavable bags are perfect if you need extra bags for storing leftover Grow-It-Yourself material.
Type: Gusseted
Material: 3.0 Mil Polypropylene
Bag Size: 4″ X 3″ X 18″
Filter Type: T
Filter Size: 1.5″X1.5″
Filter Pore Size: 0.2 microns
Filter Hole: Style L