Replacement Refrigerator Water Filter Unique design Smooth Water Flow-Rigorous process design ensures flow rate is smooth without leakage. Unique design, easy replacement installation, easy for installation and operation, no tools required. Our Filter last up to 6 months at only a fraction of the cost from OEM filters with the same certified filtration quality standards that you expect for you and your family. Replace filter every 6 months or 200 gallons to maximize contaminant reduction.