Pack of 6 string wound filter cartridges by IPW Industries Inc. These 10" x 2.5" cartridges fit most 10 inch filter housings. These filters are used as a prefilter of reverse osmosis (RO) systems and whole house water filtration. As well as a variety of commercial and industrial applications. String wound filters are used as the first line of defense in the filtration system, they protect your water using appliances and plumbing for cleaner water. String wound filters are a better choice compared to melt blown cartridges. String wound filters have a higher holding capacity, higher flow rate, and longer service life. Replace filters every 6-12 months for best water quality. SEDIMENT FILTER IPW Industries Inc sediment filter cartridge's design is an economical solution to pre-filtration for many applications. These are used widely as pre-filtration for RO systems and whole house filtration for high sediment water sources. They are also used in applications such as Ice Machines, Film Processing, Beverage, Coffee, Analytical, Wineries, and many others. Polypropylene Sediment, Multi-layer structure nominal micron rating. Reduces fine sediment, sand, silt, rust and precipitated scale Suitable for Municipal and well water 10" x 2.5" Filter 20 Micron Filtration This filter set includes: (6) 20 Micron 100% polypropylene sediment string wound filter Additional Details ------------------------------ Product description: Pack of 6 string wound filter cartridges by IPW Industries Inc. These 10" x 2.5" cartridges fit most 10 inch filter housings. These filters are used as a prefilter of reverse osmosis (RO) systems and whole house water filtration. As well as a variety of commercial and industrial applications. String wound filters are used as the first line of defense in the filtration system, they protect your water using appliances and plumbing for cleaner water. String wound filters are a better choice compared to melt blown cartridges. String wound filters have a higher holding capacity, higher flow rate, and longer service life. Replace filters every 6-12 months for best water quality. SEDIMENT FILTER IPW Industries Inc sediment filter cartridge's design is an economical solution to pre-filtration for many applications. These are used widely as pre-filtration for RO systems and whole house filtration for high sediment water sources. They are also used in applications such as Ice Machines, Film Processing, Beverage, Coffee, Analytical, Wineries, and many others. Polypropylene Sediment, Multi-layer structure nominal micron rating. Reduces fine sediment, sand, silt, rust and precipitated scale Suitable for Municipal and well water 10" x 2.5" Filter 20 Micron Filtration This filter set includes: (6) 20 Micron 100% polypropylene sediment string wound filter