Swift SGF-ZS48 Sub-Zero 4204490 Compatible Filter

The Swift Green SGF-ZS48 is a quality, compatible filter for the Sub-Zero 4204490 water filter (for built-in models after serial number 4134313 and PRO48). The SGFZS48 fits any refrigerator that currently uses the SubZero 4204490.

Unlike other compatible filters, the Swift Green filters are tested and certified by WQA (Water Quality Association) to meet NSF/ANSI Standard 42 for material requirements, so you can be assured of its quality. Independent laboratory testing is conducted regularly and the Swift Green filters are proven to perform just as well or better than the OEM filter (see documentation).

Swift Green is also an environmentally friendly company that uses a production process that does not release pollutants and green house gas emissions into the air (Learn more about Swift Green's environmentally friendly water filter production process).

The SGF-ZS48 fridge filter is compatible with the following models:

• PRO 48
• PRO 48 with Glass Door
• BI-36F All Freezer
• BI-36U Over-and-Under Refrigerator/Freezer
• BI-48S Side-by-Side Refrigerator/Freezer
• BI-48SD Side-by-Side Refrigerator/Freezer
• BI-36UG Glass Door Refrigerator/Freezer
• BI-30U Over-and-Under Refrigerator/Freezer
• BI-30UG Glass Door Refrigerator/Freezer
• BI-42S Side-by-Side Refrigerator/Freezer
• BI-42SD Side-by-Side Refrigerator/Freezer

• Filter Life: 6-12 months
• Flow Rate: 0.78 gallons per minute
• Operating Temperature: 33-100°F
• Working Pressure: 20-100 psi
• Country of Origin: USA

• 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.
• 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.
• Rotate the filter cartridge into the base approximately one-quarter turn clockwise until it stops. DO NOT overtighten.
• 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. Allow 24 hours before discarding the first bucket of ice.