Air Siphon Feed Media Sandblaster Blast Gun Siphone Air Gun Ceramic Nozzles Siphon feed blast gun; Die-cast aluminum; Aluminum pistol grip Multi-purpose design for blasting and high pressure liquid or air cleaning of parts and surfaces Gun weight: .55lbs; Minimum air requirement: 6 CFM at 80 PSI 4 ceramic nozzles INCLUDED; 4, 5, 6, 7mm; Ceramic nozzle weight: .05lb EACH Quantity: 1; Weight: .80lbs (gun + 4 nozzles)