Compare Water Filters Compare Products Compare select up to 5 products to compare Score Product Price 90 iSpring RCC7Best Under Sink Filter $220 88 ZeroWater 10-Cup 5-Stage PitcherBest Pitcher Water Filter $35 87 Bluevua RO100ROPOTNo-Fuss Reverse Osmosis System $434 87 APEC Essence ROES-50 $200 85 PUR Classic 11 Cup PitcherBest Value Pitcher Filter $30 82 APEC WFS-1000Best Value Under-Sink Filter $145 81 Home Master HydroPerfection $530 78 Berkey $408 69 Brita Tahoe 10-Cup Pitcher with Elite Filter $42