Cooling Water Function & Smart Touchscreen Enjoy chilled 10°C (50°F) or room-temperature water at the touch of a button, with intuitive color-coded LED indicators (blue for cold, white for ambient) for easy operation. The smart LED touchscreen provides real-time information on TDS levels, filter status, and dispensing settings. Select from four preset volumes (100/250/450/600 mL) for quick, precise dispensing—perfect for bottles, kettles, or cooking. Advanced 6-Stage Filtration for Superior Purity The Hydrofast C100 countertop RO water purifier features an advanced 6-stage filtration system integrated into a 5-in-1 composite filter, ensuring efficient and thorough purification. This all-in-one filter combines PP cotton, coconut shell activated carbon, an ultra-fine RO membrane, post-activated carbon, and UV sterilization, effectively removing up to 95% of TDS and over 1,000 contaminants, including heavy metals, fluoride, chlorine, and bacteria. The built-in remineralization stage restores essential minerals, balancing the pH for healthier, alkaline hydration. UV Sterilization & BPA-Free Design for Safe Drinking With continuous 24-hour UV sterilization, the Hydrofast C100 reverse osmosis water filter eliminates 99.99% of bacteria, viruses, and microorganisms, ensuring each sip is safe and clean. Constructed from BPA-free, food-grade materials and meeting certified safety standards, the C100 guarantees peace of mind with every glass of water. Eco-Friendly & Low-Maintenance Designed for sustainability, the Hydrofast C100 countertop water purifier boasts a remarkable 3:1 pure-to-waste water ratio, minimizing water wastage while maximizing efficiency. The long-lasting filters provide up to 12 months of use, with a self-cleaning function to extend their lifespan. Unlike other brands that require multiple filter replacements, the C100 simplifies maintenance with a single-filter replacement system—just twist and pull to replace it in seconds. The energy-saving mode activates standby when idle, reducing power consumption. Capable of producing up to 1,056 gallons (4,000 L) annually, it equates to 8,000 bottles of purified water, helping to reduce waste and save money. Compact, Installation-Free & User-Centric Design The Hydrofast C100 RO water purifier is conveniently designed to be plug-and-play with no installation required. Simply place it on any countertop in your kitchen, office, or even an RV. Its side-mounted 4L water tank is easy to refill, while the 1.8L purified water reservoir (1.3L ambient + 0.5L chilled) supports 2-3 users daily. With a flow rate of 100 GPD, it delivers 21 oz of water in just 60 seconds, making it perfect for busy households.