[Next Generation RO System] iSpring RO800G is the next generation reverse osmosis filtration system, featuring automatic pre-flush and filter life reminders. With a fast flow rate of up to 0.6 gallons per minute, this 800 GPD Fast Flow Drinking Filtration System can meet the water needs of families, offices, coffee shops, restaurants, and more. [Tankless Design] Instant treated water accessibility - no tank, no waiting. Saves up to 750% more water than traditional under-sink water filter systems, as well as frees up more space in your kitchen. With an exceptional pure water to wastewater ratio (up to 2.5: 1), this industry-leading feature results in less water going down the drain and reduces water bills. [Enjoy Fresh Water] Two filters are included. The 1st-stage PP+CTO Composite Filter (SKU: FPPC) removes dirt, sand, silt, rust, chlorine, and particles. The 2nd-stage RO Membrane Filter (SKU: MRO800) can reject a broad spectrum of impurities down to 0.0001 microns, effectively reduce TDS, and remove most contaminants, including fluoride, limescale, and heavy metals in your tap water. [Easy to Install & Replace Filters] It is easy to install and maintain with a detailed instruction manual, a step-by-step installation video on Youtube, and access to lifetime technical support. Changing filters is a breeze. There is no need to cut off the water supply, and no tool is required. [High Quality] iSpring's under-sink water filter gives you clean, safe, and great-tasting water every time you turn on the faucet. (The system comes with a 100% lead-free designer faucet, plus certified JG food grade tubing.) Enjoy crystal clear ice cubes, fresher tea, coffee, better tasting food, healthier baby formula, etc.