Carb Saver! With this shut off valve, you can cut off fuel supply and let the carburetor run dry to prevent fuel gunk up This valve works with many small engines with 1/4″ inner diameter fuel line, such as riding lawnmowers, garden tractors, push mower, pressure washers, go kart, dirt bike, snowblowers etc. Including the brand Crafts Cub JD HU Lawn Boy Troy-Bilt Toro Murray etc. This cut off switch protects the carburetor for short/long term storage. Also handy for changing fuel filters, drain carbs and other repairs. Easy to install with the provided 4 hose clamps, just cut the fuel line and attach to both ends Package including 2 shutoff valves + 4 hose clamps1/4″ in Line Fuel Gas Filter Shut Cut Off Valve Clamp Using these products installed on your many gas powered garden tools, lawn mower, generator and some all-terrain vehicles/suv/pedal cars, they can also help to reduce some machine/motorbike small small particles of main nozzle clogging, in order to ensure stable and durable f