3 STAGE WHOLE HOUSE FILTRATION SYSTEM. ASSEMBLY REQUIRED, uses 20×4.5 Filters. (3) 20″ HOUSINGS 1″ PORTS (2) NIPPLES 1″ X 1″(1) WRENCH(1) HEAVY DUTY TRIPLE BRACKET(1) PACK OF SCREWS INCLUDED. The item “BIG BLUE 20 WATER FILTER SYSTEM 1 TRIPLE WHOLE HOUSE/COMMERCIAL” is in sale since Sunday, November 12, 2017. This item is in the category “Home & Garden\Kitchen, Dining & Bar\Small Kitchen Appliances\Water Filters”. The seller is “usa_water_supply” and is located in Pomona, California. This item can be shipped to North, South, or Latin America, all countries in Europe, all countries in continental Asia, Australia, South africa, New Zealand.