We do not accept P. BOXES – PLEASE PROVIDE A PHYSICAL ADDRESS. Please check the address BEFORE you place an order. We advise you to use a reputable carrier service when returning your goods. Please check the Voltage information and make sure it matches the one in your country. In case it’s not stated in the description, do ask us. We guarantee that your issue will be solved quickly. We usually respond within 24 hours on weekdays. The Reverse Osmosis Revolution Whole House System easily attaches to house plumbing. This filtration system comes with regular 10 housing. Comes with extra set of filters (3 pcs). Currently filtration system ships in semiclear housing with black cap. This is 3 stage water filter, not Reverse Osmosis system (Reverse Osmosis Revolution is our brand name). Designed & assembled in U. Additional links: Replacement filter set with standard Carbon Block (3 year supply, 18 cartridges): Replacement filter set with Premium Coconut Carbon Block (3 year supply, 18 cartridges): Extra gasket (oring): Separate housing (for replacement, single): Manual: – 1st stage: Premium Quick-Connect 5 micron sediment filter. Dust, dirt, silt, sand, rust and scale particles are trapped here in a filter which also extends the life of the system. 2nd stage: Premium 10 GAC Granular Activated Carbon filter removes chlorine, radon, VOCs (volatile organic compounds) and other common chemicals. This filter also removes cloudiness, offensive odors, colors and unpleasant tastes. 3rd stage: 10 Premium CTO Carbon Block filter removes chlorine, VOCs (volatile organic compounds, including insecticides, pesticides and industrial solvent). Connection: 3/4 thread. Included 1 extra set of filters as a replacement. You need to change filters every 3 months. Reverse Osmosis Revolution Whole House 3-Stage Water Filtration System, 3/4 2 3. The item “Reverse Osmosis Revolution Whole House 3-Stage Water Filtration System, 3/4 2 3″ is in sale since Friday, December 7, 2018. This item is in the category “Home & Garden\Kitchen, Dining & Bar\Small Kitchen Appliances\Water Purification\Water Filters”. The seller is “ami.sales” and is located in US. This item can be shipped to United States.