J. Carp Cleaning Kit for Universal Hydration Water Bladders, 4 in 1 Cleaner Set--Flexible Long Brush for Hose, Small Brush for Bite Valve, Big Brush for Bladder & Collapsible Hanger for Bladder Drying
I purchased this for my grandson. aI had previously bought him a hydration pack for work. He works on a farm during summer breaks. this is exactly what he needed to keep his pack clean and prevent build up of bacteria and germs.