The 5 Micron 20″ x 4.5″ Spun Polypropylene Sediment Water Filter Cartridge in a 2-pack is a high-quality replacement under-sink water filter designed for efficient sediment and impurity removal. Made from durable polypropylene material with a 5 micron filtration method, this cartridge effectively traps sediment and contaminants to provide clean and safe water for your kitchen. Compatible with the 3M AP810-2 model, this cartridge is a reliable and essential component for maintaining your water purification system’s performance.