GE Household Replacement Filter - FXHTCProduct Description Lasts 3 months or 30,000 gallons The FXHTC water filter replacement for home filtration systems fits in most systems where the filter needs to be 10 inches long and 4. 5 inches in diameter. Lasts 3 months or 30,000 gallons (may vary depending on local water conditions). This filter is superb in helping provide your entire home with chemical free, rust free and sediment free water. Most customers also find it useful to replace the o