micron coatings for sale, brand-new and used.

This is a listing for a Allegro A-750 Ambient Air Pump 9821 What you will get: Allegro A-750 Ambient Air Pump 9821 Bag with what I think are 4 spare vanes Bag with what I think is a spare filter. Manual Description: This is an Allegro A-750 Ambient Air Pump 9821 with extra parts. I could not find the part numbers on the bags of extra parts so I am not 100 percent sure that these are parts for this pump.