HYDRO FOAMER GUN Application of diluted solution with a Hydro Foamer hose-end proportioners is easy. On and off functions are finger-tip controlled using a trigger on the spray nozzle. To rinse, the contrite container is disconnected using an easy to operate quick coupler, which is designed to allow either a full width spray or powerful jet stream when rinsing. This range of control helps personnel put the solution only where it’s wanted. Capacity 96 oz.