• Replacement faucet filter for the iSpring DF1/DF2 filtration system for faucet mount. Enjoy clear, clean, great-tasting water directly from the faucet for drinking, cooking, and washing. • Unmatched filtration efficiency: With its extraordinary ability to remove contaminants deeply, the iSpring FDF1 faucet filter can effectively reduce chlorine, chloramine, lead, mercury, lindane, atrazine, and many other contaminants in the water from your kitchen sink faucet, bathroom sink, or RV sink. • Long-lasting filter: Thanks to the longevity of this filter cartridge, iSpring DF1/DF2 faucet water filter can deliver up to 500 gallons of clear and clean filtered water. This means you only have to change the faucet water filter once every 6-8 months. Fast flow rate: Up to 1.5 GPM filtration speed; pleasant and steady water flow.