About This Authoritative Certifications- ICEPURE RWF2600A replacement for Sub-Zero 4204490 refrigerator water filter bears major Authoritative Certifications on markets, such as NSF/ANSI 42 and NSF/ANSI/CAN 372, European Food Grade Regulations EC-1935/2016, ROHS, REACH, BPA-Free, TUV and Australian Water Mark. Efficient Filtration Capacity- ICEPURE WFC2600A refrigerator water filter replacement for 4204490 reduces many harmful substances from your water including 99% of Chlorine, THM, VOCs, Particles and all other major impurities Premium Materials - BPA-free and food-grade materials. This filter is made from advanced coconut shell carbon and is Certified by Authoritative Organizations for Materials. The Outer layer is 0.5 microns, ensuring better filtration. A third-party laboratory has independently tested the carbon blocks for heavy metals, large sediments, and all other dangerous impurities. Compatible Models:4204490 4290510, PRO 48, Sub-Zero 7012333, 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. Easy to Replace- This filter can easily be installed without tools. For optimum performance we recommended that you change your filter every 6 months or 300 gallons, whichever comes first, this will vary based on your water quality. Overview Material : 100% natural coconut shell activated carbon Product Dimensions : 25.59"D x 25.59"W x 121.65"H External Testing Certification : NSF/ANSI 42 and NSF/ANSI/CAN 372 Product Benefits : Reduces harmful substances including 99% of Chlorine, THM, VOCs, Particles and all other major impurities Reduces harmful substances including 99% of Chlorine, THM, VOCs, Particles and all other major impurities Brand : ICEPURE