Get high-quality sediment removal and dirt holding capacity with the Micron WH20-1SED Polypropylene Spun 1 Micron filter cartridge. This filter cartridge effectively reduces suspended fine sediment particles, sand, dirt, rust, and organic materials, improving the overall look and feel of your water. Designed for high flow and low pressure drop, the WH20-1SED is compatible with our WH-300 series, making it an excellent first line of defence against sediment particles in your water. Features & Benefits -100% Polypropylene material -3-layer structure -High removal rating and low pressure drop -High dirt holding capacity -Protect appliances with sediment-free water Suitable for mains water supply.