The K19RF replacement filter is compatible with Waterdrop K19-S, K19-H countertop reverse osmosis system
[Superior Filtration Performance] The innovative RO membrane is designed to reduce TDS, chromium, PFAS, fluoride, arsenic salt, iron, radium nitrate, calcium, particles, chloride, chlorine and heavy metals
[0.0001μm Pore Size] The superior RO membrane of the filter can intercept any impurities larger than 0.0001 micron. This means that it can trap most harmful substances in tap water
[Longer Service Life] Waterdrop adopts an advanced water filtration technology to extend the filter's lifespan. The filter can last at least 12 months. Spend only $0.2 a day and enjoy pure and fresh-tasting water anytime
[Easy Replacement] The 3-second filter replacement process requires no tools and any professional skills
