Product Description The spout of our faucets are made of stainless steel. 【𝐂𝐞𝐫𝐭𝐢𝐟𝐢𝐜𝐚𝐭𝐞𝐝 𝐚𝐠𝐚𝐢𝐧𝐬𝐭 𝐍𝐒𝐅 𝐬𝐭𝐚𝐧𝐝𝐚𝐫𝐝𝐬】: The G3 RO water filter system is certificated by NSF 58 for TDS reduction and by NSF 372 for lead free material. G3 RO water system adopts reverse osmosis filtration technology, contributing to a filtration accuracy of 0. 0001μm. Most pollutants including fluoride, TDS, limescale, and heavy metals in your tap water can be reduced.【𝐈𝐧𝐭𝐞𝐥𝐥𝐢𝐠𝐞𝐧𝐭 𝐭𝐚𝐧𝐤𝐥𝐞𝐬𝐬 𝐝𝐞𝐬𝐢𝐠𝐧 𝐚𝐧𝐝 𝐞𝐚𝐬𝐲-𝐭𝐨-𝐢𝐧𝐬𝐭𝐚𝐥𝐥】: Waterdrop reverse osmosis water filtration system invests composite filter technology to improve the filtration efficiency. You can get rid of secondary pollution and enjoy more storage space in your kitchen with tankless design. Installation can be completed within 30 minutes, not to mention filter replacement in just three seconds with one single turn. Installation has never been that easy. No waiting for clean water Tankless, worriless Save water Convenient installation【𝐈𝐧𝐧𝐨𝐯𝐚𝐭𝐢𝐯𝐞 𝐜𝐨𝐦𝐩𝐨𝐬𝐢𝐭𝐞 𝐟𝐢𝐥𝐭𝐞𝐫】: The G3 RO water filter system is intelligent with innovative composite filters and tankless design. You can enjoy seven stages filtration with only three filters. It can intercept any impurities larger than 0.0001um like heavy metal, chlorine, TDS and more, also improve water taste.【 𝐅𝐚𝐮𝐜𝐞𝐭 𝐰𝐢𝐭𝐡 𝐟𝐚𝐬𝐭 𝐰𝐚𝐭𝐞𝐫𝐟𝐥𝐨𝐰】: The G3 RO water filter system comes with a nice finish faucet. It has a faster water flow (400 gallons per day) for its internal pump and saves three times the wastewater than the traditional RO water system.【𝐒𝐩𝐞𝐜𝐢𝐚𝐥 𝐧𝐨𝐭𝐢𝐜𝐞】: Faucet should be turned on to flush the RO water system for 30 minutes before first use. During this procedure, the blue light on the faucet will flash, and it will stop after flushing. The total water capacity is about 8. 5 gallons and the water is undrinkable during flushing. To save water, you can recycle the waste water for other purposes, such as watering plants, car washing, etc. We do not recommend using well water as source due to its complicated composition. WD-G3-N1CFWD-G3-N3CBWD-G3-N2RO Filtration MediaPP Cotton and Carbon BlockActivated Carbon BlockReverse Osmosis Membrane Filter Life6 months or 550 gallons12 months or 1100 gallons24 months or 2200 gallons Size（ diameter x Height）3.3”*12.1”2.6”*12.1”4.3”*15” Compatible ModelWD-G3-WWD-G3-WWD-G3-W WD-G3-W WD-G2P600-W WD-G2-W Beneficial Minerals× × × Flow Rate400 GPD 600 GPD 400 GPD Pure to Drain Rate1:1 2:1 1:1 FaucetSmart faucet Ordinary faucet Ordinary faucet DisplayFilter lifespan & TDS Filter lifespan Filter lifespan Self-clean✓ × × Electricity Required✓ ✓ ✓ RO MembraneDOW TORAY TORAY Filter LifespanCF – 6 Mths, CB – 12 Mths, RO – 24 Mths CF -12 Mths, P6MRO – 24 Mths CF – 12 Mths, MRO – 24 Mths Dimensions (inch)18.06 x 5.68 x 17.76 17.32 x 5.91 x 13.9 17.32 x 5.91 x 13.9