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The foaming injector has a restrictive orifice that the water stream is forced through. Operating this chemical injector with a device that has a low pressure nozzle such as the Foaming Head causes a vacuum effect within the injector. This venturi effect draws chemical up into the water stream. To ensure you select the correct foam lance or foam head for your injector please use our interactive chart below. You will need to know the flow and pressure of the machine you will be operating on.
Product No: ST160
You maybe need extra connector to make this fit your power washer.
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