R.O. UltraTec offers HF4 100 psi cold-water polyamide membrane elements featuring high-flow (HF) low-energy membrane material, ABS hard shell and water resistant labels. Filters are individually wet-tested and sanitized. Flow rates are from 150-2,600 gpd (567.81-9842.07 L/d); nominal salt rejection is 98.5 percent and applied pressure is 100 psig (6.89 bar). Dry elements and high rejection (HR) membranes are available upon request. Private labeling is also offered. http://www.roultratec.comsales@roultratec.com