AEROSOL DISPENSER AND NOZZLE

A spray dispenser includes a container, a valve body, a valve stem, a supply channel, an actuator, and a nozzle. The container valve stem, supply channel and nozzle are in fluid communication. The valve stem is movable from a closed position to a fully open position, wherein in the closed position the valve stem channel is not in fluid communication with the interior of the container, wherein in the fully open position the valve stem channel is in fluid communication with the interior of the container. The actuator is in operative communication with the valve stem, wherein the actuator is movable from resting position to a fully actuated position, wherein in the resting position the valve stem is in the closed position, and wherein in the fully actuated position the valve stem is in the fully open position. The nozzle includes a swirl chamber adjacent the end face and having a chamber depth CH extending along the nozzle longitudinal axis NL and a chamber diameter CD, and wherein the swirl chamber is disposed generally concentric with the cavity and in fluid communication with the grooves, wherein chamber diameter CD is less than or equal to 800 microns and the chamber depth CH is less than or equal to 500 microns.