Amazon.com : Honritone 5Pack Nylon Mesh Filter Socks NMO 500 Micron - 7 Inch Ring by 18 Inch Long – Liquid Filter Bags for Aquarium, Industrial (500 Micron 7 x 18 inch Nylon Mesh Bag) : Pet Supplies
manufacturer/factory/supplier/company of 150 micron PP/PE/NMO filter bag