4.5″ X 10″ Big Blue Filter Housing



4″ x 10″ Big Blue Filter Housing

With 3/4″ or 1″ Inlet/Outlet – Includes Pressure Relief Valve

The 4.5” x 10” Big Blue Cartridge Housing is a Commercial Grade Housing that will handle your water filtration needs for many years.  It accepts any industry standard 4.5” x 10” filter cartridge which includes, pleated, melt blown, string, gradient density, carbon and any number of specialty filters.


  • Manufactured from the highest quality, FDA grade, 100% NSF listed polypropylene
  • Housing and O-Ring only (order filters, wrench and bracket separately)
  • Leak-proof seal is accomplished by a Buna-N O-ring located at the top of the housing’s sump
  • Thick wall and added ribs make the housings ideal for a wide range of applications
  • Buttress Thread Design Provides Superior Sealing & Greater Security
  • Polypropylene construction provides excellent chemical resistance with most acids, alcohol, ammonia, oils, plating solutions and many aggressive chemicals
  • Housings supplied with pressure release valve
  • Rated for temperatures to 100°F and pressures to 90 psi
  • Black Cap/Blue Sump
  • 3/4″ or 1″ Inlet & Outlet
  • Uses the same cartridges as Ametek, American Plumber, Culligan, Flowmatic, Hydronix, Liquatec, Pentek and Watts, as well as most other brands of housings.
  • Direct replacement for Flowmatic Part # FH5000BL1PR,  Hydronix HF45-10BLBK10PR and Pentek Big Blue HFPP

NOTE:  This housing does not include a filter.  Choose your 4.5″ x 10″ filter listed in “Inline Filters”


Your cart is currently empty.

Return to shop