Provides consistent aerosol delivery right out of the package with no pre-treatment required. Using Monaghan™ Z STAT® helps overcome poor inhaler technique to improve medication delivery and reduce side effects. Small, portable chamber is dishwasher safe and the Ideal size for convenience and clinical effectiveness. Includes FlowSignal® Whistle to alert patients to breathe slowly. Built-in ComfortSeal® Mask (small, medium, and large) is anatomically designed to contour gently to the face providing a secure seal and comfortable fit with minimally applied pressure. BPA- and latex-free.