3M this assembly is a component of the 3M Powerflow System 240-01-00LBC. This lightweight unit (8.0 oz.) delivers a minimum of 4 cfm when used with the required high efficiency filter. Filtration capability: HE filter only. Recommended application: assembly, cleaning, electrical, facility maintenance, machine operations, painting, sanding, welding. Recommended industry: automotive, food and beverage manufacturing, manufacturing, military maintenance, repair and operation (MRO), transportation.