Established in 1972, United Filters Intl. is a U.S.-based manufacturer with primary manufacturing facilities located in Amarillo, Texas, and Sun Valley, Calif., offering products via a global network of distributors and OEM customers. Filtration products are manufactured from both natural and manmade materials configured into pleated, string, and carbon cartridges, filter bags and specialty applications. Many of the products are certified to NSF/ANSI 42 and 61 standards. All materials used in manufacturing the products are FDA-compliant. The company offers a line of bag and cartridge filter housings in mild and stainless steel and polymer materials. Rapid prototyping, short production runs, private labeling and contracted inventory are just a few of the available customer services it offers.