Product details:

1000+ GPD CUSTOM-ROLLED MEMBRANE FOR EX/GX-1000 EX-1000T AND THE EX4000-T. AVAILABLE IN BOTH HIGH FLOW (HF) AND HIGH REJECTION (HR) VERSIONS TO MEET YOUR WATER FLOW AND QUALITY REQUIREMENTS. HIGH FLOW (HF) - elements offer superior unmatched flow rate with a bit less rejection. (most popular). HIGH REJECTION (HR) - elements offer ultra high rejection for the cleanest possible water at a lower flow rate. *Flow rate chart shown is for High Flow (HF) elements only. These GrowoniX American made hand rolled membranes are the industries most reliable and highest performing reverse osmosis elements in the world. Advanced membrane technology and manufacturing processes ensure superior quality and unmatchable performance. Ultra low energy design delivers high flow and high rejection at only 80psi. A must for cold water sources. Always at an industry leading 1:1 ratio.