Air Inlet Kit for Nova 3 Blast Hood Includes: Air Inlet, O-Ring, Back Plate, Hanging Strap Part Number: NV3-729 RPB Safety OEM Abrasive Blasting Helmet Part Norton Sandblasting Equipment is now JH Norton Company, Inc “Where Service Makes the Difference” Dedicated to meeting your blasting and surface preparation needs with quality equipment, parts and supplies since 1973