Whirlpool WHKFR Comparable Refrigerator Filter by Water Sentinel WSQ-1

Price: $30.99
Availability: Out of stock
Fits refrigerators using Whirlpool WHKFR, 3M/Cuno CS-52, Bosch 640565, or any other filter listed below.
Choose a quantity
  • 1 Filter $30.99  
  • 2 Filters Price: $30.09 each
  • 3 Filters Price: $29.19 each
  • Reduces chlorine taste and odor
  • Easy to install and replace
  • Replace every 300 gallons or about 6 months
  • Economically priced refrigerator filter alternative to the Whirlpool WHKFR, 3M/Cuno CS-52, Bosch 640565, and more!
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The Water Sentinel WSQ-1 refrigerator filter is a comparable replacement for the popular Whirlpool WHKFR, 3M/Cuno CS-52, and Bosch 640565 filters. Activated carbon block filter media reduces chlorine taste and odor in your drinking water for up to 300 gallons after installation. Enjoy crisp and delicious water straight from your refrigerator with the Water Sentinel WSQ-1. Order today!
Package Qty 1
Used In Brands 3M, Bosch, Cuno, Water Sentinel, Whirlpool
Manufacturer's Id WSQ-1
UPC 705105828152
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
Maximum Operating Pressure (psi) 100
Operating Temperature (°F) 33 - 100
Operating Temperature (°C) 0.6 - 37.8
Flow Rate (gpm) .5
Flow Rate (lpm) 1.9

The WATERSENTINEL-WSQ-1 is comparable with the following part numbers

00640565 1257074 176346 2168701
55866-05 55866-06 5586605 5586606
56932 640565 70020002518 Aqua-Pure C-CS-S
AP3961137 B20CS5 B20CS8 C-CS-S
C-CS-FF CS-450 CS-451 CS-452
CS-51 CS-52 CS52 CS450
CS451 CS452 EAP8729485 EVOLFLTR10
OCS CS52 OCS 55866-06 PD00005729 RWF-1100
RWF1100 SGF-BO50 SGF-BO52 Ultra-Ease
UltraEase W1085590 WF-297 WF297
WSQ1 WF297 WF-297 EFF-6026A
EFF6026A EFF6026 EFF-6026 RWF1100
RWF-1100 SGF-BO50 SGF-BO50 BO50

The WATERSENTINEL-WSQ-1 fits the following model numbers



  1. DO NOT use with water that is microbiologically unsafe or of unknown quality
  2. Note: Filter must be pushed firmly into receiver and turned until filter is locked in place. If filter is not locked correctly, water will not flow
  3. DO NOT use any tools to install this filter
  4. Shut off water supply
  5. Twist the old filter a quarter-turn counterclockwise and remove
  6. Insert new filter into the refrigerator receiver, push the new filter until it stops
  7. Twist the filter a quarter-turn clockwise
  8. Reset water filter status display
  9. Flush filter with 3-4 gallons of with water until water runs clear. Some noise is not uncommon as air is purged from the system
  10. If filter sits for several days without use, flush a quart of water through the filter to remove stale water from refrigerator water lines

Reset Instructions

  1. Press the water filter reset button and hold for 3 seconds