Air erasing is basically blowing sand like material onto a substrate to erode away at the surface.

Paasche AEC Air Eraser

Paasche AEC Air Eraser
Paasche AEC-K Air Eraser for AEC Air Eraser Kit

Paasche AEC-K Air Eraser for AEC Air Eraser Kit
Paasche AECR Remote Air Eraser - Free Shipping!

Paasche AECR Remote Air Eraser – Free Shipping!
Paasche Air Eraser Parts

Paasche Air Eraser Parts
Cutting Compound

Cutting Compound
Paasche LAC#3 Abrasive Gun for AEC Air Eraser

Paasche LAC#3 Abrasive Gun for AEC Air Eraser