Instapure Faucet Filter Cartridge R2U3 (3 pack) – Cartridge for F2 System. Reduces chlorine, taste and odour. Easy to install in minutes. Lasts 200 US gallons (757L). Highly economical 3 pack. Replacement cartridge for Instapure F2 faucet filter system. Certified to NSF/ANSI 42 for reduction of chlorine taste and odour. Installs easily in minutes without the use of tools. It delivers essential performance, is compact and long lasting, ideal for home use for drinking water and cooking needs. Instapure Faucet Mount filters give clean, great tasting filtered water right from the kitchen tap. Ideal for rental apartments, student dorms and homes. Reduces chlorine, taste, odour and sediment.  Replace cartridge every 2 months or after using 200 US gallons.  Permanent installation not required.  Easily mounts to existing faucet in minutes without the use of special tools. Highly economical with cost per litre of filtered water half that of competitors.  High performance, is compact and long lasting and is ideal for drinking water and cooking needs. F2 has been tested and certified by NSF to NSF/ANSI 42 for reduction of chlorine taste and odour. Instapure Faucet Filter Cartridge R2U3 (3 pack) – Cartridge for F2 System. Does not remove beneficial minerals from the water.