The Tier1 10 inch x 4.5 inch string wound sediment water filter (20 Micron) is a cost-effective solution for the reduction of sand, silt, rust, dirt and scale particles. Tier1 cartridges are made from 100% polypropylene cord. Tier1 filter cartridges are suitable for residential as well as commercial applications. This Tier1 polypropylene string wound filter fits most 10-inch Big Blue Filter Housings and is suitable for both well and municipal water. The Tier1 string wound water filter should be changed when a decrease in pressure is noticed. A comparable product may be substituted. Not intended for use with water that is microbiologically unsafe.
