Filter Housings

The new patent-pending 222 Giant industrial filter housings and cartridges offer low-cost submicronic filtration with high surface area and a unique double 222 O-ring seal to ensure integrity and safety. It is available in all-polypropylene construction for cleanliness and broad chemical resistance. Housings are designed to fit Keystone’s unique line of 222 pleated polypropylene filter cartridges.