GE Household Replacement Filter - FXHSCProduct Description Lasts 3 months or 24,000 gallons This water filter is not only a powerhouse at reducing sediment and chemicals levels, but also bacteria and sand. Meant to be replaced every 3 months. Lasts 3 months or 24,000 gallons (may vary depending on local water conditions). The GE SmartWater FXHSC is perfect for most home water filtration systems that need a water filter 10 inches long and 4. 5 inches in diameter including other brands.