The Unit Consist Of Two Polypropylene Sediment Filters And A Carbon Filter. Sediment Filters Are One 1 Micron And One 5 Micron And One Carbon Block Filter.*Each Filter Housing Comes With Two O Rings. The System Is Used To Filter Sand, Silt, Mud, Rust, Chlorine And Improve Water Taste. The System Has A High Flow Rate Of Up To 5,000 Litres Per Hour While Using An Incoming Pressure As Low As 1,5 Bar.*High Flow Rate 5,000 Litres Per Hour. Minimum Of 1,5 Bars Incoming Pressure Is Required. Lifespan Of Filters Are Dependent On Usage And Water Quality.* Replacement Filter Codes V0413789, V0413790 And V0413814. Replacement Housing Code V0413803. Filter Configuration From Left To Right: V0413789, V0413790 And V0413814.