Abstract: An inhaler device having an air canister with a nozzle aperture and a nozzle shaft, the nozzle shaft has a first and second end, the first end is external to the canister and the second end protrudes into the canister, wherein a lip is at the second end, a gasket sandwiched between the nozzle aperture and shaft, a gasket extension extending downwardly, a spray orifice in the shaft at the first end, an external ventilation hole in the shaft external to the canister, an internal ventilation hole in the shaft, and an air channel in the nozzle shaft fluidly connected to each spray orifice, external and internal ventilation hole, wherein the nozzle shaft can move between an open and closed position, the nozzle shaft is biased in the closed position.