3 sizes in 1 SET! 10 fl. oz + 17 fl. oz + 24 fl. oz - Dafi Bottles Family Set Dafi Bottle is designed for people who appreciate the importance of hydration. Thanks to clever design and ergonomic structure you can take Dafi Bottle wherever you go. Dafi bottles allow You to enjoy tasty and fresh water longer! Filter efficiency: 40 gal of water monthly. Replaceable bottle filters provide you pure and tasty water, wherever you are.