e Filter Water gives you expert help in purchasing a water filter to filter water. We have water purification purifier systems available from CUNO, Kenmore, GE, Whirlpool, Culligan, Pentek, Aquasana, Watts Premier, Pur, Brita, Crystal Quest and Polar Water Filters brand.

Top Water Filter System Comparison

Compare Water filters of the same type side by side for price, filter costs, water flow rate, particles size removed, eFilterWater review grade, types of particles removed and more.
Compare Top 6 Countertop Carbon Filters
Filtering Effectiveness: Good
Price Range: $79.99 - $189.00
Compare Top 8 Undersink Carbon Filters
Filtering Effectiveness: Better
Price Range: $129.99 - $359.59
Compare Countertop Reverse Osmosis
Filtering Effectiveness: Best
Price Range: $399.99 - $699.99
Compare Top 7 Undersink Reverse Osmosis
Filtering Effectiveness: Best
Price Range: $299.99 - $799.99
At eFilterWater, we only sell systems or water filters that have been NSF certified. read more.
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