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The US Water Big Blue Housing is a commercial-grade high-quality, rugged filter housing built to withstand severe conditions. It's exclusive thread design provides superior sealing and greater security against leaks. The replacement filters are compatable with any 4.5" x 20" filter cartridge on the market.
Free standard shipping on most products over $199.
With 3/4" or 1" Inlet/Outlet - Includes Pressure Relief Valve, Mounting Bracket, Wrench, and Screws
The US Water 4.5 x 20 Big Blue Cartridge Housing is a Commercial Grade Housing that will handle heavy filtration needs for years. It accepts any industry standard 4.5 x 20 filter cartridge which includes, pleated, melt blown, string, gradient density, carbon and any number of specialty filters. A full listing of all the filters available is found HERE.
NOTE: This housing does not include a filter. Choose any 4.5" x 20' listed below under "Related Products". If you are unsure what type of filter would be best for your application, contact one of our Certified Water Specialists at 800-608-USWA or e-mail us at info@uswatersystems.com. Our experts are available 7 days a week from 8 AM until 11 PM EDT.