About this item · [More filters, better taste] This under sink filter system comes with 3 filters and can realize 8-stage deep filtration to reduce PFAS, PFOA/PFOS, residual chlorine, fluorides, heavy metals, silt, rust, cyst, etc. Its KDF materials can effectively reduce heavy metals. Its fluoride reduction resin reduces 97% of fluorides. This filter has passed WQA certification to reduce residual chlorine and improve taste, thereby ensuring every drop is pure and healthy. It also can retain minerals, but cannot reduce TDS. · [No leaking or cracking with highly precised technique] The under counter water filter adopts strong materials with an upgraded design. In addition, the age-resistant and freeze-resistant materials make the system twice thicker. The under sink water filter system has also passed 400 psi burst pressure, 100,000+ pulse tests at 150 psi, and static tests at 300 psi. These tests prove that the durable integral design clears up worries about cracking cases and leaking issue. · [Lifespan of up to 18 months] The three under sink water filters have lifespans of 6 months, 8-12 months, and 12-18 months, respectively. This under sink water filter system has a long lifespan. · [3min installation, 3s replacement] This under counter water filter system for kitchen works perfectly with 3/8” and 1/2” cold water tubes. The overall installation process does not require the help of a plumber; This under sink water filter is a simple DIY. With innovative push-to-connect fittings, the installation takes less than 3 minutes, with no plumbing experience. In addition, the twist-and-lock design lets you replace each filter in just 3 seconds. · [Separate water dispensers for different needs] The under sink water filer system comes with a lead-free brushed stainless faucet, where you can fill a 12 oz cup of water in 5s. In addition, you can use separate water dispensers for different purposes, especially when you don’t need purified water. For example, you can use your original faucet to wash fruits and vegetables. The under sink filter system meets your dual need for both purified water and source water. Product DescriptionWaterdrop TSA&TSB 8-stage Under Sink Water Filter System What is the difference between the TSB system and the TSB-CM system?According to EPA statistics, 100 million people in 75 cities over 20 states in USA drink chloramine-treated water while TSB-CM system specializes in chloramine reduction.Residents use chlorine-treated water can choose TSB system for your water need. How long can the filtration system used for?PP filter: 6 monthsGC filter: 8-12 monthsCT filter: 12-18 months Can the system reduce TDS?No. Please note that this ultrafiltration system cannot reduce TDS.The system can intercept impurities in polluted water and reduce harmful substances, and also can retain basic minerals which are beneficial to health, but it cannot reduce the TDS. What’s in the boxWaterdrop Undersink Water Filtration System×1