??????? Under Sink Alkaline Water Filter With Faucet, Improves And Taste, 5-In-1 Product Details [Alkaline Water Filter]: Wingsol under sink water filter combines alkaline particles substances, which can alkalize water and improve taste help to neutralize acidic pH levels in the body, stay hydrated, keep energetic [5-in-1 Function]: The under sink water filter system reduces heavy metal, chlorine, PFAS, PFOA/PFOS, odor, sediment; keeps beneficial minerals, thus ?CAN?T REDUCE TDS? [Quick Change Recyclable]: The water filter for sink faucet adopts USA-tech, easy change, easy to use and install; Fit 1/2" 3/8" valve and hose; Meets NSF/ANSI 53 42 standard; Recyclable housing for money saving; Food-grade, BPA-free; [Filter Life Indication]: Water filter under sink use clear see-through housing, easily check the filter life; Fit municipal water and well water; [Filter Replacement]: Max 12 months for sediment and 6 months for taste (Filter life depends on the local water quality; Suggest to replace every 6-8 months for better taste); replacement filter cartridge sold on Amazon: Model#WS-USRF-001 advanced (5-in-1 multi-function filter, ASIN#B0871YBKVT) or #WS-USRF-001 basic (multi-stage filter, ASIN#B08CVGNXYC) 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.