**It's used, it's missing parts and it's not known if it works 100%.***APEC Water Systems FILTER-MAX-ESUV 75 GPD High Capacity Complete Replacement Filter For Essence Series UV Reverse Osmosis Water Filter System Stage 1-6

APEC Water Essence 75 gpd UV 6 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 contaminant removal, while the membrane and post carbon filter last 2-4 years. The 5th stage continuous UV Sanitation destroys up to 99.99% of bacteria, viruses & cysts. Compatible for apec 75 gpd essence ROES-UV75 under the counter reverse osmosis systems. 1st stage: sediment removal 5 micron 10 inch filter -removes dust, particles, and rust. Protects and extends the life of the membrane and system. 2nd and 3rd stage: carbon block 10 micron 10 inch filter -gets rid of unpleasant chlorine, tastes, odors, cloudiness and colors. Also removes VOC and other common chemicals from the water. 4th stage: high rejection 75 gpd tfc reverse osmosis membrane. Removes a wide variety of contaminants including arsenic, bacteria, chlorine, lead, fluoride, chromium, radium and more. 5th stage: continuous UV sanitization - destroys up to 99.99% of bacteria, viruses & cysts 6th stage: coconut shell refining carbon 10 inch filter -removes any possible residual taste from the tank For over 20 years, APEC Water Systems 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 Systems does not distribute or sell our products to any 3RD party sellers on Amazon. Please purchase genuine APEC Water Systems products from Amazon or APEC Water Systems directly for authenticity.