R.O. UltraTec’s TF membranes, manufactured with Film Technology membrane flat sheets, are spiral wound to fit all standard size residential membrane housings. The NSF 58 approved 1.8-inch x 12-inch (45.72 x 304.8 mm) elements produce 150 gpd (567.81 L/day) at 65 psi with a nominal rejection rate of 98 percent. Integrity tested and shipped ‘dry’ for longer shelf life. The company’s PuroTech fiberglass membrane housings feature four-inch (101.6 mm) diameter, high-quality, corrosion-resistant FRP construction, end entry ABS end plugs, True-Lock” integrated locking system and can withstand pressures of up to 300 psi, offering higher resistance to various climate conditions, feed water compositions and chemicals. Available for immediate delivery.www.roultratec.com (760) 723-5417