Puretec MB05LD1 Compatible Sediment Filter 10″ x 4.5″ for WU10-25M & WU10-40M

Polyspun Sediment Filter Cartridge
Highly effective at trapping Sediment, Dirt, Sand, Silt, Loam, Clay, and Rust.
Replacement frequency depends on water quality and usage. However, sediment filters should be replaced at least every year.
NSF Certified Sediment Filters for its components.
Triple Gradient for higher capacity.