In-line filter is designed to remove bacteria from loop water. Purification Technologies:  0.22 µm membrane filter Suitable for Super-Genie water systems: Super-Genie G Super-Genie U Super-Genie E Super-Genie R Order Information: Description Catalog No. 10 inch In-line Filter Housing with Pressure Gauges, 1 inch RAFF101KT 20 inch In-line Filter Housing with Pressure Gauges, 316L, 1 inch TC RAFF201KT