About this item【Ultra-long service life】When used with municipal water, each undersink water filter has a maximum service life of 12 months or 8,000 gallons. (This may vary based on water conditions.)You can search ”WD-RF10” for replement filter. 【The three-stage filtration ensures a great user experience】 With a filtration accuracy of 0.5 μm, the Waterdrop Undersink Water Filtration System can effectively reduce most of the contaminants such as chlorine, taste and odor, sediment, lead, fluoride, rust, arsenic, and other heavy metals. You don’t have to worry about the safety of the filtered water. The system also retains minerals that are essential to your body, such as potassium, calcium, sodium, and magnesium.【Authority Guaranteed materials】Specially selected premium materials are lead-free, which is fully certified by the WQA against NSF 372 standard. Activated carbon block and other advanced filter media ensure efficient and safe filtration. KDF effectively keep filter sanitary. The BPA-free, lead-free material ensures more reliable use from the inside out.【Premium dedicated faucet】The undersink water filtration system comes with a lead-free brushed stainless steel faucet. For separate faucet you already have, WD-15UC system ( Search: ”WD-15UC” ) would be a better choice if you want to install it to the separate faucet you already have.【Easy installation】This undersink water filtration system should be connected only to a cold water supply. With innovative push-to-connect fittings, installation takes less than 3 minutes. The twist-and-lock design helps you replace the filter in 3 seconds without any tools. The undersink water filtration system comes with a feed water adapter that can connect to the tubing. The 3/8”-1/2” convertor fitting can connect this system to 1/2”or 3/8” cold water lines and faucets.【Fast flow rate & multiple uses】The tested full flow rate of this undersink water filtration system is 2.0 gpm at 60 psi. The fast and stable water supply provides pure and fresh water that tastes like spring water. Developed for household and commercial use, Waterdrop Undersink Water Filtration System can be installed in your kitchen, RV, or office to meet your daily water needs. Please note that this Undersink Water Filtration System cannot reduce TDS.If you need to reduce TDS, the Waterdrop RO System will be an excellent choice. For details, please search: WD-G3-W TDS stands for total dissolved solids. It is composed of inorganic salts and a small amount of organic matter. This undersink water filter cannot lower the TDS value because it removes harmful substances while retaining minerals such as potassium, calcium, sodium, and magnesium, which are beneficial for your body.For separate faucet you already haveWD-15UC system ( Search: WD-15UC ) would be a better choice if you want to install it to the separate faucet you already have. It comes with the 1/4″ PE hoses. If your faucet hose size is 3/8″, you need to buy the 1/4”-3/8” converter fitting to help you connect the system. But if the hose size is 1/4″, then you can connect with the system directly.What’s in the box?·Waterdrop Undersink Water Filtration System×1·SS304 faucet set×1·1/4”PE tubing×1·3/8”-1/2” Convertor set×2·Feed water adapter×1·Self-tapping screws×2·Teflon tape×1·Drilling sticker×1 Replacement model number: WD-RF10 Waterdrop WD-RF10 Water Filter