ALTHY Extension Stainless Steel Faucet Tap Water Filter Purifier System ● CERTIFIED 5-STAGE FILTRATION: Enjoy fresh, purified water with our faucet mount water filter. With purification to 0.2 µm, the filter is certified to reduce 99% of contaminants such as rust, sediments, chlorine, and lead and improve taste, making your water clean and healthy. (Not for reducing TDS) ● UPGRADED STAINLESS STEEL: 304 food-grade stainless steel faucet water filter, more sturdy and durable than plastic material. You don't need to worry about any possible leakage, crack, corrosion or odd smell while using. ● SAVE YOUR WATER BILLS: 1 filter can replace 3,028 plastic bottles (16.9 oz each). You only need to change the filter every 4 months. There are 2 water modes between raw water and purified water for choice to prolong the filter life. a set of 1 host and 4 filters, which is more economical and does not have to worry about 16 months. ● FAST WATER FLOW: The average water flow of the faucet filter is 0.5 GPM (the maximum water flow is up to 1.78 GPM). You can fill 4 bottles of water in just 1 minute. No more waiting for clean and pure water. ● EASY TO INSTALL: The package comes with 6 adapters, which fit most standard faucets. The image details the compatibility of this sink faucet filter. Please read the picture carefully before buying to make sure this product is suitable for your faucet. ● VARIOUS APPLICATIONS: Our faucet water purifier is an ideal choice for daily cooking, cleaning, and washing your face. You can install the tap filter in your kitchen, bathroom or tub to meet different water needs. It's small, lightweight, and very convenient to use. Also suitable for gifts. Can the system reduce TDS? No. TDS value isn’t directly related to water quality. TDS stands for total dissolved solids.The presence of minerals keeps TDS at high levels The ALTHY faucet water filter reduces harmful pollutants while retaining natural minerals, which are beneficial for your health.