BMS Super Atomizing Water/ Methanol Injector NozzlesThe nozzles are determined by the intended power and how many bungs your chargepipe has. The nozzles are 1 8 NPT and screw in to bungs included on most aftermarket chargepipes. Our "super atomizing" nozzles are manufactured by us and are known for their great attomization and flow characteristics. The nozzle number represents the approximate gallons per hour of fluid when at full flow. Generally speaking running two smaller nozzles is preferred to one