Here is some more information on this fogger nozzle.
This is a NOS Nitrous Oxide Fogger Nozzle #13700R. NOS's Annular Discharge stainless steel nozzle is the most effective design in the world. It's specially engineered annular orifices mix the nitrous and fuel in a radial pattern outside the nozzle tip to provide superior atomization of supplemental fuel as well as more even fuel distribution within the nitrous flow.
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