20 Inch x4.5 Inch Big Blue Clear Whole House Filter Housing 1Inch Ports W/ Pressure Release. We beat the completion with Our High Quality Products This is not a low-priced Made in China Big Blue Housings that you can compare our product with some other advertised systems. 4 x 20 inch x 4.5 inch purple Clear double o ring filter housing with pressure release button and 1/4 inch NPTF pressure gauge hole Only. (No pressure Gauge included). Feed water pH range: 4.0 – 10.0. Double O ring Housing. NPTF in/out Port Sizes: 1 inch. Easy screw off for quick filter changes. Accepts standard 20 inch x 4.5 inch diameter water filter cartridges. Clear Filter housing for easy maintenance, allows for visual inspection of filter cartridge. Rated for pressures up to 90 PSI (6.20 bar). Maximum operating temperature 125°F (52°C). Made from FDA grade polypropylene. Head/ Cap Color : Black. Sump/ Housing Color : Clear. Preferable feed water pressure range: 20 – 90 PSI to Get the best filtration results keep it less than 60 PSI. Maximum feed water TDS: 2000ppm. Flow Rate / GPM. 1-40 GPM for 1 inch Inlet / Outlet. 1-35 GPM for ¾ inch Inlet/Outlet. Pressure drop will be determined based on feed water pressure, filter cartridge selection, fluid viscosity, filter life and conditions. The item “4 x 20 x4.5 BB Clear Whole House Filter Housing 1 Ports With Pressure Release” is in sale since Monday, October 28, 2019. This item is in the category “Home & Garden\Kitchen, Dining & Bar\Small Kitchen Appliances\Water Purification\Water Filters”. The seller is “max.water.usa” and is located in Tonawanda, New York. This item can be shipped to United States, all countries in Europe, Canada.