CamelBak Reservoir Gravity Kit Blue. The kit includes a U-shaped tube that connects the reservoir to the filter in a downward orientation via the easy-to-use Quicklink system. A secondary tube extends from the filter body and has an on/off valve allowing for steady flow water delivery. Hang the fully assembled reservoir and allow gravity to provide reliable and clean drinking water. Specifications for CamelBak Reservoir Gravity Kit: Manufacturer: CamelBak Color: Blue Size: One Size Age Group: Adults Weight: 1 oz Dimensions: 1 x 15 x 3.75 in Last Chance: Yes Features of CamelBak Reservoir Gravity Kit Converts the Crux 2L Reservoir Filtration Kit into a filtration gravity bag. Quicklink Compatible Package Contents: CamelBak Reservoir Gravity Kit CamelBak 2562401000: Reservoir Gravity Kit Blue