it is designed to fit standard #20 filter cartridges used in residential and light commercial systems
Compact design fits easily into existing water treatment setups without extensive modifications
Remove the existing membrane from the 2-1/2" x 21" housing carefully to avoid damage
Compact design fits easily into existing water softener setups without modification
Compatible with Fleck valve assemblies for seamless integration
Nelsen Dirt Cartridge Filter 9-3/4 inch 20 micron plated — NPF-20-975, Nelsen Dirt Cart, 9-3/4 20mic Pltd, 57-000610-C pre filter it is designed to fitNPF 20 975 Nelsen Dirt Cartridge: Superior Filtration for Cleaner, Healthier Water Systems When sediment and dirt threaten to clog or damage your water treatment system, the NPF 20 975 Nelsen Dirt Cartridge offers a dependable line of defense. Designed specifically for filtration applications, this 9 3 4 inch, 20 micron plated filter cartridge effectively captures fine particles, improving system performance and prolonging equipment life. As a premium