Refined and GLACIER FRESH Refrigerator Water Filter Replacements for Sub-Zero, 2-Pack

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GLACIER FRESH Replacement for 4204490 Filter Statement: Material and Construction and Performance Tested to NSF42 Standards. Tested and verified by an independent laboratory, the 4204490 refrigerator water filter removes 97.9% of chlorine and improves the water's smell and taste. For more details about NSF information, please enter the certified model number "GF-ZERO" or the manufacturer "Ningbo Pureza Technology, LLC" on the NSF database.

Maintains Necessary Micronutrients: After testing in our laboratory, the GF-ZERO Refrigerator Water Filter was found to remove 97.9% of chlorine and enhance the water's smell and taste.

Compatible with Sub-Zero Refrigerator Water Filters: This filter is compatible with the following Sub-Zero refrigerator models: 4204490, 4290510, 9030868, PRO 48, PRO 48 with glass door, BI-36F freezer, BI-36U up and down refrigerator/freezer, BI-48S side-by-side refrigerator/freezer, BI-48SD side-by-side refrigerator/freezer, BI-36UG glass door refrigerator/freezer, BI-30U up and down refrigerator/freezer, BI-30UG glass door refrigerator/freezer, BI-42S side-by-side refrigerator/freezer, and BI-42SD side-by-side refrigerator/freezer.

Twist-Lock Design, Leak-Proof Fit: The 4204490 water filter replacement features a twist-lock design for quick and easy filter changes. It provides a leak-proof fit without the need for tools. (Note: Please contact us if you encounter any issues during installation.)

Filter Life: For optimal filtration, replace the water filter cartridge every six months or 300 gallons, depending on your actual water usage. Periodically replacing the water filter will ensure higher-quality water and ice.

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