Under Sink Filters

Tankless 800-GPD reverse osmosis system with UV sterilization, smart TDS faucet, and industry-leading 3:1 drain ratio.

Best for: Families wanting the purest drinking water with fast flow and UV sterilization

• 800 GPD output — fills a glass in 6 seconds
• 3:1 pure-to-drain ratio saves water
• UV sterilization stage built in

Best-selling 5-stage RO system made in the USA with WQA Gold Seal certification at an unbeatable price point.

Best for: Budget-conscious homeowners wanting reliable RO filtration with low annual cost

• Excellent value — best RO under $200
• Long-lasting filters (6–12 months pre/post, 2–3 years RO membrane)
• WQA Gold Seal certified

6-stage RO system with alkaline remineralization that restores beneficial minerals for better-tasting, healthier water.

Best for: Health-conscious families wanting mineralized alkaline RO water at an affordable price

• Alkaline remineralization stage restores healthy minerals
• 75 GPD output — 50% faster than budget alternatives
• Over 90,000 installations worldwide