Siphon Head,w/Nozzle and Air Jet, Product Type Abrasive Blast , Feed Type Siphon, Air Flow - Maximum 15 cfm, Air Pressure - Maximum 80 psi, Nozzle Inner Dia. 1/4 in, Nozzle Material Steel, Hose Connector Size 1/4 in, Hose Connector Type NPT, Compatible with Grainger Part Number 448M07, 448M08, 448M09, 53RJ25, 53RJ26, 53RJ27, Compatible with Manufacturer Model Number 40403, 40403L, 40411, 40411L, 40413, 40413L, Includes Air Jet, Nozzle, Nozzle Connector Size 1/4 in WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov -