Big Grey 4.5" x 20", with 3/4" FMNPT Port Filter/Cartridge Housing

Sale price$159.95 USD

Big Grey Filter/ Cartridge Housings offer the versatility to meet all of your large capacity filtration needs, including high-flow and heavy sediment applications.  The extra large housing allows for greater cartridge capacity for high flow rate applications.  The high-flow polypropylene (HFPP) cap allows a greater volume of liquid to pass through the HPFF cap more rapidly.  They accept a wide variety of 4.5" diameter, 20" depth cartridges and filters.

Replaces CWS-100 Filter Housings and can be used to replace and upgrade the CWS-200 housings.


  • Large Capacity Filter Housings Suitable for High Flow Applications
  • Accepts 4.5" x 20" Cartridges/FIlters
  • Higher Capacity  

      Materials of Construction 

  • Housing Polypropylene
  • Cap Reinforced Polypropylene (HFPP)
  • O-Ring Buna-N


  • Dimensions - 131/8" x 71/4"
  • Port Size - 3/4
  • Flow Rate (psi @ gpm) 0.1 @ 57
  • Maximum Temperature (F / C) 100 / 6.9
  • Maximum Pressure (psi bar) 100 / 6.9