Whirlpool WRS321SDHZ11 Replacement Water Filter
Your 21 cu. ft. side-by-side refrigerator model No. WRS321SDHZ11 uses Everydrop Filter 1 (EDR1RXD1) water filter
Water quality should feel stable, not something that changes over time. The Whirlpool refrigerator model WRS321SDHZ11 water filter replacement, built around EveryDrop Filter 1 (EDR1RXD1), helps keep that consistency in check. It works to reduce chlorine taste, sediment, chemicals, and odor-causing elements that can slowly affect how your water and ice appear and taste with regular use.
As a replacement water filter for Whirlpool WRS321SDHZ11, it fits directly into your refrigerator with a twist-in design that aligns smoothly and holds securely without leaks or tools. Certified to NSF/ANSI 42 and 53 standards, it supports dependable filtration you can rely on. Replacing it every 6 months or 200 gallons helps prevent performance drop-offs and keeps water flow steady. With a 30-day return and refund assurance, it’s a straightforward, low-risk upgrade.
Key Features
Specifications
Our Replacement Water Filters Are NSF Certified To Reduce 99% Contaminants
See which water and air filters are compatible with your refrigerator.
When to Replace Your Water Filter
Every 6 Months or 200 Gallons
Most refrigerator water filters are designed to last approximately 6 months or filter up to 200 gallons of water — whichever comes first.
When Your Fridge Displays a Filter Alert
Modern LG, Samsung, Whirlpool, and Frigidaire refrigerators have built-in filter indicators that notify you when it's time for a replacement.
Changes in Taste, Odor, or Flow
A drop in water pressure, an unusual taste, or an off smell from your dispenser are clear signs your filter is overdue for a change.