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WHERF Whirlpool Reverse Osmosis System Pre and Post Filter Set

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WHERF Whirlpool Reverse Osmosis System Pre and Post Filter Set

Save 40% (MSRP: $63.99)

Quick Overview

Works with Whirpool WHER12 and WHER18 reverse osmosis systems
5 1


The Whirlpool WHERF filter set is a pre and post filter set for the Whirlpool WHER12 and WHER18 reverse osmosis systems. These filters can also be used as a replacement for the the Sears/Kenmore filters 42-38476. The WHERF is a set of two carbon filters intended to reduce sediment and chlorine before water reaches the membrane in your RO system. Order today!

  • Ships fast!
  • Contains 2 filters to act as pre and post filters for your Whirlpool RO system
  • Replace every six months
  • Genuine OEM Product


Package Qty 1
Used In Brands Whirlpool
Manufacturer's Id WHERF
UPC 090259890156
Media Activated Carbon Block
Primary Filter Media Activated Carbon Block
Filter Life (gallons) 300
Filter Life (liters) 1,135.62
Filter Life (months) 6 months
Operating Pressure (psi) 30 - 100
Operating Temperature (°F) 33 - 100
Operating Temperature (°C) 0.6 - 37.8
Flow Rate (gpm) 0.5
Flow Rate (lpm) 1.89


Reduces the following contaminants:

The WHIRLPOOL-WHERF is comparable with the following part numbers

WFO-500 04238476000

Fits the Following Model Numbers

UltraFilter 150 UltraFilter 300 UltraFilter 350 UltraFilter 500
UltraFilter 550 42-38476 625.385700 625.385700
625.385720 625.384750 625.385750 38570
38472 38572 38475 38575

Replacement for the Following UPC