The Answer is Clear just like the Air

Eliminating dust and increasing the surface cutting area is how Multi-Air is able to improve productivity. It's simple, if you keep the abrasive grain exposed to cut through paint, primer and body filler by continually removing the dirt that can clog paper and leave wild scratches, you will cut faster and the sandpaper will last longer. Bottom line, the job gets done faster and costs less with Norton Multi-Air.