The Universal Bottle Adapter is an ultralight, space-saving accessory that enables any GravityWorks water filter to filter directly into a wide range of water bottles and hydration reservoirs. Thanks to its modular, direct-to-bottle capability, the adapter makes it easy to take only the parts you need and save both space and weight by leaving a dedicated Clean Reservoir at home. . . . Weight: 2 oz.. . Width: 1.7 in.. . Length: 3.7 in.. . Made in the USA of U.S. and Imported materials. . 40818069561 32844300006 6956