PREPSTART WITH WATER COMBINED WITH 27 NEWMICRON ALUMINUM OXIDE ENABLES THE DENTISTTO PREP CAVITIES.NO DUST JUST A LITTLE SLURRY.
A separate air compressor is recommended unlessYou have enough spare capacity with existingCompressor.Operates at over 100 psi .You can also use as a micro etcher , by changing to50 micron Aluminium Oxide. !