Viper VP18AL Generation 3 Bead Seater. 18 Liter Aluminum Tank with Push Button Discharge near Front of Tank with Easy Flip Safety Switch. Unique 360 Degree Adjustable Handles Designed for Stability and Control, allowing the User to Customize How they Hold Unit. Newly Designed 2” Jet Barrel greatly Increases Air Volume for Rapid Air Release. ASME Certified. Also features a Protective Housing for Main Components.