Save with Auto-Ship

Get the product you need, exactly when you need it, delivered right to your door. No more searching for the right part number, we've got you covered. Plus, you'll save $$ on every order and shipping is on us. Learn more

Save Money

Free Shipping*

Choose Frequency

*Free Shipping available in the contiguous US

Water Sentinel WSBQ-1 Refrigerator Water Filter

Price: $25.99 List Price Price: $34.99 Save 25%
Availability: In Stock
Choose a quantity
  • 1 Filter $25.99  
  • 2 Filters Price: $25.29 each
  • 3 Filters Price: $24.59 each
  • Reduces chlorine taste and odor
  • Economical alternative to expensive OEM filters
  • Provides great tasting water and ice for up to six months
See more product details
Built to fit into refrigerators requiring the Bosch CS-52 refrigerator water filter, the Water Sentinel WSBQ-1 is designed to ensure your water and ice tastes crisp and clean. By reducing chlorine taste and odor for up to six months, or 1,500 gallons, the WSBQ-1 helps transform your fridge water into a premium quality beverage. Order the Bosch CS-52 comparable refrigerator water filter by Water Sentinel today!
Package Qty 1
Used In Brands Water Sentinel
Manufacturer's Id WSBQ-1
UPC 635510442288
Actual Size (in) 8-1/4 inches (length) x 2-1/2 inches (outside diameter)
Actual Size (cm) 20.96 x 6.35
Filter Life (gallons) 1,500
Filter Life (liters) 5,678
Filter Life (months) 6 months
Micron Rating (Nominal) 5
Operating Pressure (psi) 25 - 125
Maximum Operating Pressure (psi) 125
Operating Temperature (°F) 33 - 100
Operating Temperature (°C) 0.6 - 37.8
Flow Rate (gpm) 0.5
Flow Rate (lpm) 1.893
Certifications NSF/ANSI Standard 42

Reduced Contaminants

The WATERSENTINEL-WSBQ-1 reduces the following contaminants:

  • Chlorine Taste & Odor
  • Dirt
  • Sediment

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

Whirlpool WHKFR-PLUS WHKFR Plus 56932 W1085590
Whirlpool Ultra-Ease Replacement Filter Cuno CS-52 CS-522 CS-532
CS-512 CS-562 OCS CS52 CS-51
CS-450 CS-452 55866-05 55866-06
700200002518 EVOLFLTR10 Bosch 640565 AP3961137
1257074 CS-52


  1. Disconnect water supply and unplug refrigerator
  2. Push the button at the top of the filter case and remove the case from the compartment
  3. Twist old filter to the left about 1/4 turn
  4. Pull filter straight out and discard
  5. Remove protective cap and push the filter into the refrigerator and twist to the right about 1/4 turn until it stops and locks
  6. Replace filter case back into compartment
  7. Reconnect water supply and plug in the refrigerator

Reset Instructions