By Bestbuy.com

Waterdrop - K19-SFK Countertop Reverse Osmosis System Extra WD-K19RFFK Water Filter - White

The Waterdrop K19-SFK is a BPA-free countertop reverse osmosis system with 7-stage filtration that reduces TDS, PFAS, chlorine, lead, and more while adding beneficial minerals such as potassium, calcium, sodium, and magnesium for healthier, better-tasting water. Tested by SGS for safety, it delivers pure hydration with a 3:1 pure-to-drain ratio, saving over 4000 plastic bottles annually. Its compact, installation-free design fits any countertop in kitchens, offices, bedrooms, or RVs, and the 170 oz tank provides enough water for a full day. With a smart screen, touch controls, adjustable water volumes, and a 12-month long-lasting composite filter, it ensures convenient, efficient, and sustainable water purification.