Genuine Axeon NF3-4014 RO membrane offers reliability, high performance, and consistent results for commercial applications. This 4 inch by 14 inch membrane provides high rejection rates including a 50% average ion rejection with an applied pressure of 70 psi. AXEON membranes are compliant with FDA standards, and suitable for industrial and sanitary applications. All membranes are shipped dry for an indefinite shelf life, are 100% vacuum integrity tested, and can also be ordered as individually wet tested.