The most economical answer for overhead exhaust extraction is the Retractable Telescoping System.
The RTS incorporates three lengths of hose (5″, 4″, 3″) that telescope into one another. The RTS, in its stored position, is secured by chains and hooks, which also may be used to secure the nozzle to the vehicle.
The upper section of the Retractable Telescoping System features high a visibility hose, while the middle section has a smooth bore hose, and the lower section features heavy-duty no crush neoprene hose. Adjustable stainless steel duct saddle standard.
The product has a weight of 19 pounds and a stored length at 7'. The main duct is 14'-16' above the floor.