- 4204490 Advanced Replacement Water Filter: Extra grade coconut shell carbon block filter with 0.5mm micro hole size. The following claims have not been tested and certified by NSF. Go to NSF’s database, the manufacturer “Ningbo Pureza Technology, LLC” and model number “GF-ZERO”. If you find that the product is not NSF42 certified, you can apply for a ten-fold claim for the purchase amount.
- Maintain all necessary micronutrients: GLACIER FRESH (GF-ZERO) 4204490 water filter material and structure in line with NSF42 standards. Not Performance Tested or Certified by NSF. Tested & verified by independent laboratory testing, GF-ZERO Refrigerator Water Filter removed 97.9% of the chlorine and improved the smell and taste of the water. If you find that the product has not passed NSF / 42 certification, you can claim a claim for 10 times the purchase amount.
- 4204490 Replacement Water Filter compatible with 4204490 4290510, 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.
- 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)
- Filter life: For optimum filtration, replace the 4204490 water filter cartridge every six months or 300 gallons (depending on your actual water usage) and periodically replace the 4204490 water filter for higher quality water and ice.

Compatible with the Following Models
4204490 water filter
4204490, InSinkErator F-1000 & F1000, 4290510, PRO 48, PRO 48
- *For NSF 42 certification information:
- 1.Search NSF information website page in Google
- 2.Enter “GF-ZERO” in “Brand Name/Model” field.
- Replace the filter every 6 months or 300 gallons for optimum performance (the specific replacement time depends on the degree of water use)
- *Certificate C0396060, by NSF International, 2019.

NSF 42 meet a criterion to Reduce: Chlorine ≥97% to improved water smell and taste.
GLACIER FRESH filters are meet a criterion of NSF International, a respected independent product-testing organization dedicated to public health and safety.
The following statements and tests have nothing to do with NSF
Our premium filters are meet a criterion NSF 42 for the reduction of chlorine, taste and odor by NSF International.
From 3/22/2020, if you find that the product has not passed NSF / 42 certification, you can apply for a claim that is ten times the purchase amount.

Easy installation
1. Lift the top grille assembly to access the water filter cartridge. To lift the grille, pull out on the bottom edge of the grille and tilt the grille frame forward.
2. Slowly rotate the cartridge one-quarter turn counterclockwise to disengage. Gently twist until the cartridge is free from the base. DO NOT pull. There will be water in the filter cartridge, so it is normal for a small amount of water to spill out.Line up the cartridge so that the locking tabs can be inserted into the filter head.
3. Rotate the filter cartridge into the base approximately one-quarter turn clockwise until it stops. DO NOT overtighten.
4.Press and hold water filter button one the control panel for five seconds
This resets the water filtration indicator
After the new filter cartridge is installed, the first full bucket of ice produced should be discarded. This will help clean the water system and clear air from the line.


GLACIER FRESH 4204490 Water Filter Compatible with Sub-Zero 4204490, 4290510 Refrigerator Water Filter, 3 Pack
$60.00
| Material | Activated carbon |
| Duration | 6 months |
| External Testing Certification | Replacement filter |
| Product Benefits | Good water filter |
| Brand | GLACIER FRESH |

















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