APEC MEM-ES-50 50 GPD Membrane Replacement Filter For Reverse Osmosis System Description APEC 50 GPD Essence reverse osmosis membrane is an effective filtration element that has been designed to deliver high contaminant rejection rates at high input TDS levels. The industry standard 10 inch membrane uses an industry leading state-of-the-art TFC (thin film composite) design to provide high quality water for a broad range of water chemistries. It will fit in most commonly available housings to provide ultra pure and safe reverse osmosis drinking water. Features: APEC Water Systems 50 GPD reverse osmosis membrane for ROES-50 systemIndustry standard sized membrane, use with reverse osmosis systems with 30-50 GPDFast response with no break-in time requiredEffective under varying water conditions with wide operating limitsHigh contaminant rejection RO element Product Details: Part Number: MEM-ES-50Item Weight: 7.2 ouncesProduct Dimensions: 14 x 4 x 4 inchesItem model number: MEM-ES-50Color: BlueItem Package Quantity: 1Certification: Not ApplicableIncluded Components: MEM-ES-50Batteries Included?: NoBatteries Required?: NoShipping Weight: 7.2 ouncesDate First Available: February 3, 2015 Payment We accept Paypal payments only. Sales tax may be applied to your purchase as we possess sales tax certificates for all states we collect sales tax in. If your state is one that we charge sales tax in, you will see the sales tax charge at time of checkout before you submit payment. Delivery Expedited shipping is free. Handling time on our orders is normally between 1-2 business days. Your order should reach you within 1-3 business days. We do not ship to AK, HI, PO boxes, or APO addresses. We're not responsible for any incorrect or undeliverable addresses. We only ship to the confirmed Paypal address. We don't accept requests to change shipping addresses post purchase. We do not ship to AK, HI, PO boxes, or APO addresses. We are not responsible for any incorrect or undeliverable addresses. We only ship to the confirmed Paypal address. Please note that manufactures update their packaging from time to time and that the packaging images shown in our product may vary from what you ultimately receive however be assured you are receiving the identical contents you ordered. Return Policy You may return new, unopened items within 30 days of delivery for a refund, and a restocking fee may apply. Return shipping fees are not refundable. Message us for return instructions if you have questions. Support & Feedback We take our reputation seriously, we buy and sell online, so we understand the value of trust. If you are unsatisfied with your order, please contact us and we will work with you to resolve it to your satisfaction. Contact us via eCRATER messaging and we will respond within 1 business day. Our office hours are 8AM-4PM PST Monday-Friday. We thank you for your business!