MAC Air Blower Cap for High Volume Helmet Air Pumper

MAC Air Blower Cap for High Volume Helmet Air Pumper enables closure of individual air outlets on your pumper system. Compliant with MAC Air pumper series only, the blower cap allows the use of a 2 person pumper with one helmet, or a 4 person pumper with 1-3 helmets. Incompatibility with MAC 3.2 or MAC 3.2HP Carbon Fiber pumpers is noted.