Product Description This listing is include WD-TSB-10+WD-10PP*2+WD-10GC+WD-10CT [More filters, better taste] The three filters represent three-guard household water lines, effectively reducing rust, large particles, heavy metals and suspended solids. Furthermore, the under sink water filter can effectively reduce chlorine with WQA authority certification, improving water taste for direct drinking, coffee, or beverages. It doesn’t reduce TDS, but it retains natural minerals. [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 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 filters have lifespans of 6 months, 8-12 months, and 12-18 months, respectively. This long lifespan eliminates the cost of purchasing and replacing filters every now and then. Under the premise of meeting the needs of a family of five at a go, the average daily cost is only 0.38 dollars. We help you save over 50% cost compared to buying bottled water. If you have any problems with the product, contact our 24/7 technical support without any worry! Efficient 3 stages filtration No cracking no leaking Cleaner and safer[3min installation, 3s replacement] This water filter for sinks works perfectly with 3/8” and 1/2” cold water tubes. The overall installation process does not require the help of a plumber; it 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. If you have any problems, please contact us for 24/7 technical support! [Separate water dispensers for different needs] The under sink water filtration system comes with a lead-free brushed stainless faucet, where you can fill a 12oz 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 system meets your dual need for both purified water and source water.