The Harmsco up-flow cartridge filter was patented in 1968. This unique design eliminates air entrapment during operation, by-pass during servicing, and, because of the up-flow design, air is self-purging. All Filters housings are manufactured of 304 St. Stl. and are Electro-polished for increased resistance to corrosion. For additional Chemical resistance, housings can be supplied [...]
