GE FXUSC Smart Water Replacement Filters Whole House System GXWH04F GXWH20S
FXUSC GXWH04F. Manufacturer's IdFXUSC. The FXUSC-2PK is comparable with the following part numbers. Rust and Corrosion. Reduces the following contaminants Filter Life (months)3 months. Filter Life (liters)60,566.56.