This is a vintage compressed air sprayer made by Chapin.
The air sprayer features a tank that says "CHAPIN Compressed Air SPRAYER" on the front. On the side of the top is a hose attached to a long metal nozzle. The total tank capacity is 3 1/4 gallons with a usable capacity of 2.44 gallons.
The hose measures about 23.5" long. The metal sprayer nozzle hose measures about 22" long. The compressor measures about 24.5" tall and 7.25" wide.
This air sprayer was made in the United States.
The item comes in good pre-owned condition. It has not been tested and is being sold as-is.