Profile: H. R. Peterson Company provides filtration products for liquid applications. We offer water filters, reverse osmosis filters, carbon filters and housings for whole house, commercial & industrial sectors. Some of our industrial products are wound cartridges, pleated cartridges, carbon cartridges, filter bags and resin bonded cartridges. Our E-series wound cartridges are available in media such as polypropylene industrial, polypropylene FDA, natural cotton, acrylic and polyester. Our filter bags are available with glazed surface treatment to control migration of fibers into the filtered product. They feature a standard carbon steel snap ring for positive sealing.