Waterdrop Countertop Water Filter, Nsf/Ansi 42 372, 1 Filter Included Product Features One filter is included in the package. Search "WD-CFF-01" for replacement filter later. Easy installation:For standard taps only. It is simple to install this filter system, with all the necessary hardware (wrench and adapters) included. Also, it connects easily to most standard kitchen taps and faucets. By twisting the switch, tap water and filtered water can be switched in no time. Operating Temperature: 41-100F (5-38C); Operating Pressure: 15-100 psi / 100-689 kPa.?Note: Please keep the wrench for later use. All for your health: The filtration process adds minerals such as calcium, magnesium, and potassium that benefits your health, which is normal to get a higher TDS value. (Tested by a third party lab)?Note: This system DOES NOT lower TDS value. If you prefer low TDS value, please choose Waterdrop RO system.?The system is made from 304 food-grade stainless steel with sleek brushed appearance, fingerprint-free and BPA-free. Using only safe materials ensures you get clean and healthy drinking water. Fast flow long service life: When connected to municipal tap water, you can get up to 12 months service life or 8,000 gallons of filtered water. (This may vary based on water conditions). By using advanced filtration technology, the water flow can reach up to 1.6 gallons per minute. Multi-stage filtration system: This 5-stage filtration system can effectively reduce impurities commonly found in tap water, such as colloid, sediment and up to 99% chlorine. It can also reduce heavy metals, hydrogen sulfide, fluoride, providing safe, tasty and fresh drinking water.(Tested by a third party laboratory) Multiple application scenarios: The user-friendly design makes installation and use seamless. You do not need to drill holes or invite a plumber. It is built for different usage scenarios, including homes, rental housing, or RVs. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!