Compressed air operation. Integrated 1.9 quart (1.8 liter) capacity fluid collection reservoir. Variable control thumb throttle. Swivel air inlet with quick disconnect. Quick disconnect coupler for accessories The compressed air operated MV6830 offers professional grade to brake and clutch bleeding performance. This compact yet powerful unit bleeds up to 2 quarts per minute, and its simple operation allows clean, quick bleeding of brake and clutch lines. Kit includes an advanced selection of accessories that ensure maximum convenience and performance for greater productivity. Automatically maintains fluid level in master cylinder.