We produce filters Housing with patented Hurricane and Up flow technology that provide superior performance, energy savings and a significant reduction in maintenance costs and management. Single cartridge filters, multicartridge, cyclonic separation, all made in Stainless steel electropolished 304-316- and Superduplex. Special filters for sea water. Genuine Harmsco cartridges are washable and reusable , offering a square surface area greater of 40%-50%, conventional pleated cartridges