Glacier Fresh Refrigerator Water Filter Replacements (3-Pack) for Sub-Zero Models 4204490, 4290510, and 9030868

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1. Certification Information
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GLACIER FRESH Replacement for 4204490 Filter

Certification Statement: The GLACIER FRESH 4204490 refrigerator water filter has been material and construction tested, and its performance has been verified to meet NSF42 standards. Independent laboratory testing has confirmed that this filter removes 97.9% of chlorine, thus improving the smell and taste of the water. For more details about the NSF certification, please search for the model number "GF-ZERO" or the manufacturer "Ningbo Pureza Technology, LLC" in the NSF database.

Maintains Essential Micronutrients: Our laboratory tests have shown that the GF-ZERO Refrigerator Water Filter effectively removes 97.9% of chlorine while preserving the water's beneficial micronutrients.

Compatible with Sub-Zero Refrigerators: This filter is compatible with a wide range of Sub-Zero refrigerator models, including the 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 and Leak-proof Fit: The 4204490 water filter replacement features a twist-lock design, allowing for quick and easy filter changes without the need for tools. This design ensures a leak-proof fit, providing peace of mind during the installation process. (Note: If you encounter any issues during installation, please don't hesitate to contact us.)

Filter Life: For optimal filtration, it is recommended to replace the water filter cartridge every six months or 300 gallons (depending on your actual water usage). Regularly replacing the water filter will ensure you continue to enjoy high-quality water and ice.

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