OUTSTANDING ADVANTAGES - Compared to soften blown filter out cartridge, string clear out is best choice to clear out water with a lot of sediment. FOUR occasions dirt-holding capacity, DOUBLE motion rate, LONGER service life than pp sediment filter. STANDARD DIMENSION - universal string wound filter out cartridge matches most 10 inch filter out housings,as prefilter of reverse osmosis(RO) packages and whole home water filtration, as well as type of advertisement and commercial purposes - 6 Pack FUNCTION - Remove 99% particles, silt, sand, rust and diverse undissolved particles in dirty water. As the first line of defense in the filtration system, keep your water using appliances and plumbing for cleaner water, improve water wonderful and taste. FEATURES - Unique honeycomb constitution develop grime protecting capacity, polypropylene materials middle tube grow pressure resistance% Polypropylene material, non-toxic and tasteless. LIFETIME - For higher water quality, commended replace TWO or THREE occasions a year, depending on the standard of the water source and application type. Recommended replace out differential pressure is 30psi(2). Colour:White Material:Cotton thread Size:25 Package Contents: 6* Water Filter Cartridge Only the above equipment content, other item aren't included. Note: Light capturing and diverse reveals can cause the color of the item within the picture slightly various from the real thing. The size allowed error is +/- 1-3cm.