Waterdrop D6 Reverse Osmosis Water Filtration System Package Contents & Replacement Information One filter is included in the package. Search "Waterdrop WD-D6-B" for replacement filters. Advanced 6-Stage Filtration Technology The Waterdrop D6 water filtration system features a comprehensive 6-stage composite filter with exceptional 0.0001μm filtration accuracy. This advanced system effectively reduces numerous contaminants including: TDS (Total Dissolved Solids) PFAS, PFOS, PFOA (forever chemicals) Lead and heavy metals Chlorine Microplastics Salt Radioactive substances including radium Toxic chemicals (vinyl chloride, ethylhexyl acrylate, isobutylene, ethylene glycol, monobutyl ether) Note: The activated carbon block is made from natural coconut shells. Please confirm you have no allergies to this material. High-Capacity 600 GPD Flow with 2:1 Low Drain Ratio This reverse osmosis system delivers an impressive 600 gallons per day (GPD) flow rate. With its innovative internal pump and larger filter surface, you can fill a cup of water in just 8 seconds. The environmentally-friendly 2:1 drain ratio means that for every 2 cups of purified water, only 1 cup of wastewater is produced. You can repurpose this wastewater for mopping floors or washing your car. Smart Designer Faucet with Digital Display The system includes a premium smart faucet with an integrated high-end screen that displays: Real-time TDS (Total Dissolved Solids) levels Remaining filter life The waterproof design eliminates concerns about electrical leakage. Combined with the filter life indicator on the control panel, the D6 system automatically monitors water quality and maintenance needs, saving you time and effort. Space-Saving Tankless Design The D6 RO water filter system features a modern tankless design that: Saves 70% of under-sink space compared to traditional systems Prevents recontamination issues common in tank-based systems Provides consistently fresh, pure water on demand Easy DIY Installation and Maintenance Complete DIY installation in under 30 minutes Push-in replacement design allows for filter changes in just 2 seconds No need to move the system or use tools for maintenance Compatible with standard under-sink configurations