Lightweight, weighs only nine pounds. 1-1/2″ positive locking hose and attachments and deluxe nylon woven shoulder harness for comfortable, trouble-free use. Chiropractor designed, ergonomic harness includes sternum clip to secure shoulder straps. Clear dome lid for instant debris inspection. Shake-out cloth inner filter bag. Hypercone cartridge filter is three stage, HEPA Type, 99.95% @ .3 Micron.