1 filter can replace 300 water bottles. The item "Brita Sport Bottle Water Filtration System 1 20 oz Bottle and Filter sealed new" is in sale since Tuesday, December 31, 2019. This item is in the category "Home & Garden\Kitchen, Dining & Bar\Vacuum Flasks & Mugs". The seller is "tech_vice" and is located in Leroy, Alabama. This item can be shipped worldwide.