AeroFlo Access Plug 4 inch - bag of 10
Use the four-inch AeroFlo Access Cap to seal the single four-inch access site in each AeroFlo grow chamber.
They come in bag of 10 plugs.
These 4" access plugs help protect plant roots and prevent algae buildup.
Also help prevent dirt and debris from entering your AeroFlo hydroponics system.
If you need the 3" site plugs, find them here.