The Karcher Spray Nozzle Set includes a nozzle that has adjustable spray patterns from low to high pressure. It also includes a tap adapter with reducer, and two different hose connectors that fit with all other brands. These universal connectors both come with a 1 year manufacturer guarantee. One is a free flow connector and the other is an Aqua stop connector which cuts off the flow of water when detaching the nozzle. 2 connectors included. Manufacturer's 2 year guarantee.