GLACIER FRESH Water Filter Replacement for Sub-Zero Refrigerators, 2 Pack

About this item

• Make sure you're getting all the essential micronutrients by using the GF-ZERO Refrigerator Water Filter, which was found in our lab to eliminate 97.9% of chlorine and enhance the water's aroma and flavor.
• GLACIER FRESH Replacement for 4204490 Filter Statement: Material and Construction and Performance Tested to NSF42 Standards. Tested & verified by independent laboratory testing, 4204490 refrigerator water filter removes 97.9% chlorine and improves water smell and taste. For more details about NSF information, please enter certified model number "GF-ZERO" or manufacturer "Ningbo Pureza Technology, LLC" on the NSF database.
• Twist-lock design, leak-proof fit: The water filter replacement 4204490 features a twisted design for quick and easy filter change. Leakproof fit, free of tools. (Note: Please contact us if you encounter any problems during installation)
• Compatible with Sub-Zero Refrigerator Water Filter: 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, BI-42SD side-by-side refrigerator/freezer.
• Filter life: For optimum filtration, replace the water filter cartridge every six months or 300 gallons (depending on your actual water usage) and periodically replace the water filter for higher quality water and ice.