Model 210 Air Compressor Pump Head Quincy? The item “Model 210 Air Compressor Pump Head Quincy Used works great 2-1/2 X 2″ is in sale since Sunday, March 05, 2017. This item is in the category “Business & Industrial\Light Equipment & Tools\Air Compressors”. The seller is “markorjerry” and is located in Dewey, Arizona. This item can’t be shipped, the buyer must pick up the item.