Here is great deal. We have been offered 450 of these Amflo Retractable Air Hose Reels.
These are heavy duty, industrial quality units. They come with a 3/8″ x 50 foot hose.
Valve assembly handles up to 250PSI and 20CFM.
They come 40 to a pallet. FOB is Ohio
In small quantities (less than a pallet) $83 ea

Your cost (in pallet quantities) $78 ea.