Stainless Steel (SS) Membrane Housings feature the True-Clamp™ Integrated Clamping System. These membrane housings also feature a 304L corrosion resistant stainless steel end entry connections and are able to withstand high pressures, this housing is offered in a 4" diameter. SS Membrane Housings are for continuous, long-term use for reverse osmosis, nanofiltration and ultrafiltration elements which are used on typical commercial water treatment systems at pressures up to 17 bar. This SS Membrane Housings can accommodate any make of 4-inch nominal diameter spiral wound elements with a 3/4" diameter male product tube. The benefits of using a stainless steel housing are a high strength to weight ratio, able to withstand high and variable temperatures, resistant to UV rays.