Hydronix SDC-45-2001 Whole House or Commercial NSF Polypropylene Sediment Water Filter Cartridge 4.5" x 20" - 1 Micron
The Hydronix SDC-45-2001 sediment water filter is a 100% pure polypropylene cartridge. It is a perfect pre-filter for ultra-fine filtration--reducing sand, silt, rust and scale. It is a compatible replacement cartridge for many brands of 20-inch Big Blue sediment filters.
