OUTSTANDING ADVANTAGES - Compared to melt blown filter cartridges, string wound filters offer superior sediment filtration with four times the dirt-holding capacity, double the flow rate, and longer service life than standard polypropylene (PP) sediment filters. STANDARD DIMENSION - Universal 10-inch string wound filter cartridge fits most standard filter housings. Suitable as a prefilter for reverse osmosis (RO) systems, residential water filtration, and various commercial and industrial applications. Pack of 6. FUNCTION - Effectively reduces 99% of suspended particles, silt, sand, rust, and other undissolved contaminants in water. Acts as the first stage of defense in filtration systems, helping protect water-using appliances and plumbing while improving overall water quality. FEATURES - Features a unique honeycomb winding structure that enhances dirt-holding capacity. Constructed with a reinforced polypropylene center tube for improved pressure resistance. Made from 100% polypropylene material, which is non-toxic and tasteless. LIFETIME - For optimal performance, replace every two to three times per year depending on water quality and usage. Recommended replacement when differential pressure reaches 30 psi (2.1 bar). Color: White Material: Polypropylene yarn Size: 25.4 cm Package Contents: 6 x Water Filter Cartridge Note: Light and display settings may cause slight color variation between the product image and actual item. Measurement allowance: +/- 1-3 cm.