Apec Essence Series 50 Gpd Complete Replacement Filter For, Filter-Max-Es50 APEC Essence 5 stage complete filter set is made with high quality filtration components to protect and prolong the lifespan of your reverse osmosis system. Premium quality filter set lasts over 6 months for high performance impurity removal, while the membrane and post carbon filter last 2-4 years. Compatible for APEC 50 GPD Essence and all other standard size under counter reverse osmosis systems. 1st Stage: Sediment removal 5 micron 10" filter -removes dirt, particles, and rust. Protects and extends the life of the membrane and system. 2nd and 3rd Stage: Carbon block 10 micron 10" filter -gets rid of unpleasant chlorine, tastes, odors, cloudiness and colors. Also removes VOCs and other common harmful synthetics from the water. 4th stage: High rejection 50 GPD TFC reverse osmosis membrane. Removes a wide variety of impurities including arsenic, chlorine, lead, fluoride, chromium, radium and more. 5th Stage: Coconut Shell Refining Carbon 10" filter -removes any possible residual taste from the tank. About APEC For over 20 years, APEC has been an industry leading manufacturer who specializes in high performance RO systems. As the original manufacturer, we have dedicated a knowledgeable and sincere team that is committed to providing customer satisfaction in hopes to bring many years of enjoyment and good health for you and your family. APEC Water does not distribute or sell our products to any 3rd party sellers on Amazon. Please purchase genuine APEC Water products from Amazon or APEC Water directly for authenticity. Product Features APEC Water ESSENCE Series FILTER-MAX-ES50 is for ROES-50. 1st stage 5 micron sediment filter to remove dust, particles and rust 2nd and 3rd stage 10 micron extruded carbon block filter to remove chlorine, taste and odor 4th stage high Rejection TFC reverse osmosis membrane removes a wide range of contaminants 5th stage standard capacity coconut shell carbon filter removes any last residuals Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!