Standard Universal Filter: Fits house water filters, most reverse osmosis (RO) units, under sink filtration systems, and whole house water filtration units utilizing a standard 10-inch filter housing 10 x 2.5-inch. Compatible models include Culligan P5, P5A, Aqua-Pure AP110, AP101T, AP11T, DuPont WFPFC5002, CFS110, OMNIFilter RS14, Whirlpool WHKF-GD05, American Plumber WC34-PR, W5P, GE FXUSC, and many more. Safety Material: Meets NSF Standard 42 Certified, FDA, BPA-Free Material. SimPure 5-micron PP sediment water filter is made of safe polypropylene material with smart melt-blown technology, no binders, wetting agents, or fiber shedding. We make sure that you and your family are always provided with safe and pure water. Efficient Filtration: The PP sediment filter Filters out and removes the particles in the water including iron, rust, silt and sand above 5-micron size. Working as the 1st-stage barrier in your filtration system, protecting and extending the life of your water appliances and post-filters, and plumbing. Long Lifespan: The multi-layer design provides longer service life, better performance, and a higher holding capacity of up to 10,000~15,000 gallons in total varying from your water quality. It's recommended to change every 3-6 months regularly.