Durable Backpack Tool Bag Rubber Bottom and Center Removable Console - for HVAC, Electricians, Utility Work, Crafts, Carpentry and Construction 2-Way Deflection Installation is hassle-free

Installation is hassle-free

Outer Dimensions Are 17

Can be hooked up with our "Butterfly Dampers" for precise airflow control

+ Product Details Size - 22"w X 18"h is the size for the duct opening measurement only

As The Hot Air Will Flow Up & Out

Durable Backpack Tool Bag Rubber Bottom and Center Removable Console - for HVAC, Electricians, Utility Work, Crafts, Carpentry and Construction 2-Way Deflection Installation is hassle-free+ Product Details Size: 30w x 40h cm High Quality: Hard, heavy duty weatherproof molded bottom fully protects your tools from any rust or damage. Perfect backpack for HVAC technician, electrician, mechanic, craftsman, construction professional, etc. Design: 2 Large Center Compartments 5 External Pockets 55 Internal Pockets 6 Loops Sponge Airing and Comfort System in the Back Belt Straps Extra Strong: Padded molded handle assures that you have a good