Platypus Reservoir Cleaning Kit Blue. The broad head brush is designed to scrub the interior nooks and crannies of your reservoir while the thin coiled brush scours your drink tube for a thorough good-as-new clean. Specifications for Platypus Reservoir Cleaning Kit: Manufacturer: Platypus Color: Blue Width: 0 in Length: 0 in Weight: 3.3 oz Package Contents: Platypus Reservoir Cleaning Kit Platypus 11011: Reservoir Cleaning Kit Blue