Attach base system to your faucet and then insert filter cartridge into filter cup. Flush the new filter cartridge with cold water for 5 minutes. The 100 gallon filter life begins after the 5-minute conditioning brita water filter faucet period. The Pur Advanced Faucet Filtration System is our pick for faucet-mounted filters. That’s notably better… Continue reading Brita Faucet Filtration System with Advanced Features 42201