... protect filter bags from damage in seams. Nylon Monofilament Filter Bag SpecificationMaterial: choice Nylon (polyamide) or polyester monofilament/ multifilament meshes ... a special ribbon to avoid leak from needle holes. Nylon filter bags can be washed and reused. Bag SizeFilter ... MaterialRing ConstructionNeedle Felt Polyester (PE)Needle Felt Polypropylene (PP)Nylon Monofilament (NMO)1,5,10,25,50,75,80, ...