4.5 X 20 Whole House Water Filter (Big Blue)

This Heavy Duty Whole House Water Filters (1.5″ inlet / outlet NPT) is designed to deliver sustained high flow rates without significant pressure reduction. The 1.5″ NPT inlet and outlet connections make this an ideal system for large homes and even light commercial applications.

This filter housing is manufactured from the highest quality NSF listed, FDA grade materials. A built-in pressure relief button is included to relieve pressure when changing the filter.


  • For use with industry standard size cartridge 4.5″ O.D. x 20″
  • Flow rate 40 GPM
  • Temperature range 40-100 degrees F
  • Pressure range 20-80 psi
  • 7 1/4″ (W) x 24″ (H)


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