<b>3 OF 20” Big Housing Blue Color WHOLE HOUSE FILTER HOUSINGS WITH PRESSURE GAUGES BY AQUABOON</b> <br> This premium 20” whole house filter housings offers the flexibility to meet all of your large capacity filtration needs, including high-flow and heavy-sediment applications. <br> <br> <b>Product Details:</b> <br> Accepts 20” x 4.5” cartridges <br> DOUBLE O-RING <br> Pipe size: 1” NPT <br> Head: Black <br> Housing Sump: Blue <br> Pressure Release Button: Yes <br> Housing Wrench: Included <br> Screws: Included + 2 of 1"" x 1"" Nipples <br> Housing Bracket: Included <br> <br> <b>1 PACK OF 20'' WHOLE HOUSE PREMIUM GRANULAR ACTIVATED CARBON (GAC) FILTER CARTRIDGE BY AQUABOON (5 MICRON)</b> <br> The Big Housing Blue Color GAC cartridge is made from raw organic materials, coconut shells, wood and coal, crushed into small particles in a special tank without oxygen. <br> <br> <b>1 PACK OF 20'' WHOLE HOUSE Big Housing Blue Color SEDIMENT WATER FILTER CARTRIDGE BY AQUABOON (5 MICRON)</b> <br> Sediment filter is made of fine melted polypropylene, which is blown and spun in a cylinder-like form. The main function of sediment filter is to remove large and fine particles from a drinking water, such as sand, dirt, silt, and rust particles. <br> <br> <b>1 PACK OF 20'' WHOLE HOUSE Big Housing Blue Color CARBON BLOCK CTO WATER FILTER CARTRIDGE BY AQUABOON (5 MICRON)</b> <br> Carbon block filter is made with Coconut Shell Activated Carbon and makes it a very good adsorbent for many contaminants in drinking water. <br> <br> <b>Compatible 20 x 4.5 inches cartridges:</b> <br> Ametek GAC-20BB, RFC-20BB, Bruner RFC-20BB, ClearChoice 84641, ClearChoice 84642, Express Water FBA_FLTWH2045C, FLTWH2045C, FLTWH2045C02, Geekpure BC20-BB-5, Harmsco HAC-BB-20-W, Kleen Plus RFC-20BB, Liquatec SDF-45-2005, Pentair Water P5-20BB, Pentek P5-20BB, Plymouth Products GAC-20BB, RFC-20BB, Ronaqua 6C-20BB, US Filter GAC-20BB, RFC-20BB, Water Filters Depot (WFD) WF-CB205-BB, WCBCFF20