Spiry Fi Engineers Aqua 1 Micron Water Filter Bag Suitable for 4" Dia & 20" Length Bag Filter Aquarium Fish Tank Filter Sump Felt Sock Mesh Net Bag Micron Bore Water Filter Pleated Filter Cartridge  (0.1, Pack of 1)

The 1 micron ultrafiltration Filter Bag provides higher productivity with lesser bag "change-outs." The bags are manufactured from food grade polypropylene because it can take on a heavy load of solids, in comparison to similar mesh fabrics. The manufacturing process involves multiple steps: layering together the felt material on a screen for support, then finishing it with a glaze for a secure bond. This is a product that can certainly hold its own as it filters dirt and debris.Manufactured With Food Grade Polypropylene,industrial commercial,home improvement use