Waterdrop Whole House Water Filter System With Carbon And, 1" Inlet/Outlet. Product Details ?Efficient filtration?The impressive 10? x 4.5? PP filter and GAC filter combination achieves a 5-stage filtration, effectively reducing large particles and sediments larger than 5 microns. The whole house water filter also reduces chlorine, lead, benzene, mercury, peculiar smell, sand, rust, and more. GAC filter adopts natural coconut shell, which reduces funny taste and odor, while improving the water taste for you. With this filter, you get constant pure water with a better taste. ?Longer lifespan?The GAC filter is expected to be changed every six months, while the PP filter is due for a change every 3-6 months. Waterdrop?s house water filtration system features longer lifespan, therefore saving your potential replacement cost. The durable housing is made from food-grade materials only. It has passed tests to confirm work under the pressure of 25-90psi without external damage and crack. The pressure is daily water pressure in USA. Please rest assured to purchase and use. ?Stable water flow?The whole house water filter system has passed 100,000+ water hammer tests to ensure the stable and safe water supply. The large water capacity is enough to provide the whole household pure water with a smooth and stable flow rate. ?DIY installation?The installation is so simple that you can do it on your own following the instructions in the manual. The included wrench facilitates the replacement, installation, and related processes. Please wrap the telfon tape appropriatly, wrap too many turns or too thick will shorten the life of the brass interface. ?Protects water appliances?This 10"x4.5" whole house water filtration system protects your water pipes from rust and extends the lifespan of your water-related appliances by delivering clean water source without clogging. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.