Economy Spot Blaster Product Type Spot Blaster Feed Type Siphon Air Flow - Maximum 15 cfm Nozzle Inner Dia 1/4 in Nozzle Material Steel Hose Connector Size 1/4 in Hose Connector Type NPT Hose Length Not Applicable Air Pressure - Minimum 80 psi Air Pressure - Maximum 125 psi Includes (1) lb of Abrasive Gun Material Steel Nozzle Connector Size 5/16 in