USFilter Water Filters
USFilter's Plymouth Products division was purchased by Pentair, Inc., the manufacturer of Pentek water filters. Pentek still manufactures replacement filters and parts that fit the systems formerly labeled USFilter Plymouth Products water filtration systems. Click on a system or replacement filter model number below to find the Pentek filters and parts for your US Filter Plymouth Products systems. USFilter is a trademark of Siemens Water Technologies Corp. If you cannot find your model number, see the Pentek Water Filters page for more filter options or contact us for assistance.