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Small Filter Check Valve

Small Filter Check Valve - Main image
$1.98 $2.95 In stock

Category: Replacement & Repair Parts

This Small Filter Check Valve is a replacement part designed for MSR water filters. It helps maintain proper function by controlling the flow direction within the filter system.

  • Replacement check valve for MSR water filters
  • Small size for compact filter designs
  • Essential for maintaining filter performance
  • Compatible with select MSR models
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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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Returning an item

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.2 / 5 · 5 reviews)

Joshua J. ★★★★★

Snapped right in and my filter pulls water like it's new again. The valve seats tight so there's no dribble between pumps anymore.

Sofia L. ★★★★★

My old filter was barely pushing water through until I swapped in this check valve, and it's been flowing normally ever since. The fit into the pump assembly was snug on the first try, no trimming or fiddling needed. Cheap part, saved me from buying a whole new filter setup.

Ella ★★★★☆

My old filter started leaking backflow so I grabbed this replacement valve, and it fit right in without any fuss. Flow direction seems correct now and the filter works like it should, though I wish the little thing came with a diagram since I second-guessed the orientation at first.