The Harmsco 801-20 is a pleated polyester sediment filter cartridge with a 1-micron nominal rating. This tight micron rating makes it highly effective at capturing fine sediment, silt, rust, sand, and other particulate matter, while still maintaining excellent flow rates. The pleated design provides significantly more surface area than standard spun or string-wound cartridges, resulting in longer service life and better dirt-holding capacity for your Harmsco filter housing.

The Harmsco 801-20 cartridge is specifically engineered to fit Harmsco Hurricane and Waterbetter series filter housings that accept 20-inch standard cartridges, including models such as the HUR-90, HUR-170, BF-20, and WB-20. The cartridge features Harmsco's signature polyester pleated media construction with a polypropylene core and end caps, ensuring an exact fit and proper sealing within genuine Harmsco housings. Always verify your housing model before ordering to ensure compatibility.

The service life of the Harmsco 801-20 typically ranges from 3 to 6 months, depending on your incoming water quality, flow demand, and sediment load. Because of its high-surface-area pleated design, the 801-20 can last significantly longer than comparable spun-wound cartridges. A good indicator that it's time to replace the cartridge is when you notice a pressure drop of 15 PSI or more across the housing, or a visible reduction in flow rate. For heavy sediment applications, more frequent replacement may be required.

Yes, one of the key advantages of the Harmsco 801-20 is that it is constructed from durable, reinforced polyester pleated media that can be rinsed and reused multiple times before final replacement. Simply remove the cartridge, rinse it thoroughly with clean water (spraying from the inside out is most effective), and reinstall it. This reusability makes the 801-20 a cost-effective long-term filtration solution compared to disposable-only cartridges, though eventual replacement is still necessary once the pleats become permanently fouled.

The Harmsco 801-20 is designed specifically for mechanical sediment filtration. At its 1-micron rating, it effectively removes suspended solids including fine sand, silt, dirt, rust particles, scale flakes, and other particulate contaminants from water. It is commonly used in well water applications, commercial pre-filtration, pool and spa systems, irrigation, and as a pre-filter ahead of UV systems or reverse osmosis units. Note that the 801-20 is a sediment-only cartridge and does not reduce chlorine, taste, odor, or dissolved chemical contaminants — for those applications, a carbon-based filter would be needed downstream.