Tough Guy Vacuum Bag, Paper, 2-Ply, Standard Bag Filtration Type, For Vacuum Type Backpack Vacuum - 3ZJJ3 Bowl Size-54" Cabinet comes with a 1"

Cabinet comes with a 1" flange

Adjustable: No

Product is wall mounted

From the manufacturer:

Blow-off Port: 3/4 in

Tough Guy Vacuum Bag, Paper, 2-Ply, Standard Bag Filtration Type, For Vacuum Type Backpack Vacuum - 3ZJJ3 Bowl Size-54" Cabinet comes with a 1"Backpack vacuum bags fit compatible backpack vacuums to collect materials picked up during vacuuming.,Vacuum bags collect vacuumed dust and debris for disposal. They also help filter out allergens and dust particles to prevent them from recirculating in the air. New or empty vacuum bags help prevent clogs, suction loss, and motor burnout. These bags typically fit specific vacuum cleaner brands or models. Disposable bags are discarded when full and