Replacement faucet filter for iSpring DF1/DF2 Faucet Mount Filter System. Enjoying clear, clean, great tasting water right from your tap for drinking, cooking, and washing. Unparalleled Filtration Efficiency: With its outstanding deep contaminants removal capability, iSpring FDF1 faucet filter can effectively reduce chlorine, chloramine, lead, mercury, lindane, atrazine, and many other contaminants in water from faucets in your kitchen sink, bathroom sink, or RV sink. Long-Lasting Filter Life: Thanks to the longevity of this filter cartridge, iSpring DF1/DF2 series sink water filter faucet can deliver up to 500 gallons of clear and clean filtered water. This means that you will only need to change your faucet water filter once every 6-8 months. Fast Flow Rate: Up to 1.5 GPM filtration rate; nice and steady flow of water. Affordable and Convenient: Available for less than $2 a month; easy tool-free change in a few minutes. Great Customer Support: 30-day money back guarantee; 1-year manufacturer warranty; lifetime tech support from iSpring in Atlanta, GA.