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Water Sentinel WSK-1 Replacement for Whirlpool WHERF- 2-Pack


Only $14.98 per Filter
Retail: $59.99 /ea
You Save: 50%
As low as
Retail: $59.99
You Save: 50%
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Ships by Monday 12/5/2022 Home Filter Club
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The Water Sentinel WSK-1 is the compatible filter replacement for Whirlpool WHERF. This filter is also the correct replacement filter pack for the following water filter systems:

  • WHER-12
  • WHER-18
  • Ecowater ERO-350, Part 7263510
  • GGN-400E Pair of Carbon Block Filters. Compatible with Whirlpool and Eco Water ERO-350 and ERO-450E Reverse Osmosis Systems. Replaces 7263510, 7263536, 7263528 prefilter and post filters in the EcoWater ERO350, RO350 & ERO450E systems.

The Water Sentinel WSK-1 contains a pre- and post-filter that fits Whirlpool reverse osmosis systems WHER-12 and WHER-18. Also can be used as replacements for the SEARS Kenmore UltraFilter Reverse Osmosis Series filters 42-38476, 38476. It is recommended that you replace the WSK-1 every 6 months based on your water quality and usage.


  • Brand: Water Sentinel
  • Part Number: WHERF
  • Pack Size: 2
  • Filter Life: 6 months
  • Includes pre-filter and post-filter
  • Compatible with the WHER-8, WHER-12, ERO350 reverse osmosis water filter systems
  • Compatible replacement for the Sears Kenmore 42-38476 and 38476

Compatible Models:

The Water Sentinel WSK-1 Replacement for Whirlpool WHERF- 2-Pack is correct replacement for the following model numbers:

BrandModel NumberDescription
WhirlpoolWhirlpool WHER-12Under Sick Filters
WhirlpoolWhirlpool WHER-18Under Sick Filters
Water SentinelSears Kenmore UltraFilter 38472Reverse Osmosis
Water SentinelSears Kenmore UltraFilter 38475Reverse Osmosis
Water SentinelSears Kenmore UltraFilter 38570Reverse Osmosis
Water SentinelSears Kenmore UltraFilter 38575Reverse Osmosis
Water SentinelSears Kenmore UltraFilter38572Reverse Osmosis
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Customer Reviews:

Total Reviews: 1 | Average Rating: 5 / 5.0


Had the filters I needed at a fair price

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