Waterdrop - WD-A1-RO Filter, Replacement for WD-A1 Reverse Osmosis Hot Cold water Dispenser, 12-month Lifetime

The Hydrofast HF01 RO filter is specifically designed for use with Hydrofast B100 and C100 water purifiers, ensuring optimal performance and water quality. It effectively reduces total dissolved solids (TDS) levels by up to 95% while eliminating a wide range of harmful contaminants, including heavy metals (such as lead, arsenic, and aluminum), fluoride, chlorine, and over 1,000 other potential impurities. The integrated remineralization of the reverse osmosis water filter enriches your water with essential minerals and balances its pH, contributing to long-term health and wellness.

The Hydrofast C100 Countertop RO Water Purifier provides instant chilled 50°F (10°C) water with a 6-stage filtration system, including UV sterilization, that removes 99.9% of contaminants. The side-mounted 1.06-gallon tank is easy to refill, and the system requires no installation—just plug in and use. With a 3:1 pure-to-waste ratio, the C100 produces up to 528 gallons of purified water annually. BPA-free and low maintenance, it offers clean, safe water with a simple filter replacement.

Upgrade your hydration with the Hydrofast B100—the smarter, cleaner, and more convenient way to enjoy pure water every day! Featuring a powerful 6-stage RO filtration system with built-in UV sterilization, it removes 95% of TDS, eliminates heavy metals, fluoride, and over 1,000 contaminants, while remineralization adds essential nutrients for healthier, better-tasting water. No installation needed—just plug and play on any countertop in your home, office, or RV. The eco-friendly 3:1 pure-to-drain ratio reduces waste, and the long-lasting filter lasts up to 12 months with easy twist-and-pull replacement. Stay in control with the smart display, offering instant TDS readings, filter status updates, and quick-select dispensing options (3.4/8.5/15.2/20.3 fl oz). With a rapid 100 GPD flow rate and a 1.06-gallon tank, you’ll always have fresh, safe water on demand. Ditch plastic bottles and embrace a sustainable lifestyle—the Hydrofast B100 delivers purity, convenience, and peace of mind in every sip.