CAPABLE OF FILTERING NON-DRINKABLE WATER: this water bottle contains a filter with technology developed by NASA, capable of eliminating over 99.99% of water unwanted substances, thus being able to convert non-drinkable water into drinkable water. With the BottlePro thermal filter bottle, you can have ready-to-drink water wherever you are, making it an excellent choice as a sports bottle or your perfect ally on your travels or excursions. TESTED QUALITY: BottlePro is a reusable water bottle made of food-grade 18/8 stainless steel, making it a strong and durable bottle. The patented 4-stage microfiltration technology combining Activated Carbon Fiber and Ahlstrom is certified and independently tested to filter 100+ substances for use with tap water and outdoor water, like spring water or from public fountains. Designed in Europe. EASY TO USE: Isothermal bottle with leak-proof lid and airtight seal; textured surface for improved grip; easy to use and with strap for better grip. In addition, its double wall keeps water cold for 24 hours. Each refill lasts for 2 months / 40 gallons. Important: wash the refill with plenty of water before first use. DISHWASHER FRIENDLY: except for the filter, all parts of this stainless steel bottle are dishwasher safe (max. 122 degrees Fahrenheit). EASY TO USE AND CHANGE WATER FILTER: change the filter of your water bottle in seconds. With the Tappwater BottlePro 25oz Stainless Steel Water Bottle and refill, you’ll have a portable water purifier wherever you go. Thanks to its advanced microfiltration technology developed by NASA, this insulated bottle removes over 99.99% unwanted substances, even making non-potable water safe to drink. BottlePro is a thermal water bottle with a built-in filter that provides clean, great-tasting water instantly—whether you’re on the go, at the gym, hiking in the mountains, traveling, or engaging in any other activity. Plus, this water purifier helps you save money by reducing the need for disposable plastic bottles, supporting environmental sustainability. How to use the BottlePro stainless steel water bottle: Before first use, rinse the filter with water for 30-60 seconds. Fill the bottle and drink through the straw. Works best when upright or tilted up to 45 degrees. Each filter lasts for 2 months or up to 40 gallons of purified water. Developed and tested in Europe, BottlePro is the perfect combination of technology, sustainability, and convenience—an ideal addition to Tappwater’s other products. Visit our shop to learn more!