All / Plumbing / Filtration / Water Filter Cartridges All Pumps Material Handling Plumbing Plumbing Repair & Maintenance Drains Filtration Water Softener Supplies Water Filter Cartridges RO Unit Accessories RO Memranes Water Strainers Pipes, Valves & Fittings Flush Valves Electrical Supplies Power Transmission Safety Tools & Machining 5 Micron 20" x 4.5" Water Filter Cartridge $38.99 Add To Cart 20 Inch Water Filter Housing 3/4" Port-Fits 4.5 x 20 Inch Filters $79.99 Add To Cart 20 Inch Water Filter Housing 1" NPT Brass Port Fits 4.5 x 20 Inch Filters $79.99 Add To Cart
