This filter assembly has one 20" big blue housing
mounted on a coated steel bracket. It is used mostly as a point of entry filtration system to a house or a business. A pressure relief button is on the housing for use before changing the cartridges.
The assembly does not include the 4.5"x20" filter cartridge or the fittings to connect it to a water line. The Inlet/Outlet has 1" female threads.
The filter cartridges that can be used in this whole house filtration system are possibly:PP Sediment
, PE sediment, or Carbon Block
RELATED ITEMS: 4.5" wrench
, 4.5" O-Ring