Guns have stainless steel needle and nozzle sets Knob for spray pattern adjustment Operating pressures of 15-45 psi Air inlet: 1/4" Air consumption: 7.0 to 9.0 CFM Meets EPA NESHAP 6H rules for compliance Shipping Weight: 9.2 lbs. Set Contains: (1) 1.8mm Primer Spray Gun (ATD-6902) (1) 1.4mm Topcoat Spray Gun (ATD-6901) (1) 1.0mm Touch-up Spray Gun (ATD-6903) (2) 1L Aluminum Cups (ATD-6900-09, ATD-6900-08 Lid for cup) (1) 125cc Stainless Steel Cup (ATD-6900-21, ATD-6900-20 Lid for cup) (1) Locking Pressure Regulator (0-180 psi, 0-12 BAR) (1) Paint Gun Filter Cleaning Kit: (1) Spanner Wrench (1) Hex Wrench (1) Brush (2) Filters