The new "Ninja" line of abrasive blasting nozzles. Tested and certified as the quietest nozzle throughout the industry. Blast Ninja nozzles reduce nozzle air velocity while maintaining particle velocity therefore reducing noise production at the source while maintaining blasting production. Click the link below to learn more. Part # SH-4AP.
https://store-4nv3t151wi.mybigcommerce.com/content/Ninja%20nozzle%20PDF.pdf