Alpha Filter Premium Replacement Water Filter - Compatible with Filter 1 (One Pack) For optimum performance, it is recommended to replace the water filter every 6 months or 200 gallons.Used in bottom freezer refrigerators; filter compartment is in the top right corner. Give You:Health water & Better tasting --Delivers clean, clear water, create better tasting water for drinking. Delivers clean, clear water that looks and tastes great. Quality is as good as the branded one. Provides cleaner, fresher water by reducing impurities Perfect Customer Service:If you have any dissatisfaction, please feel free to contact us. We will give you a full refund