Astro HVLP503 Gravity Feed Spray Gun with 1.3mm Nozzle and Aluminum Cup Fast working speed and wide spray fan pattern Round to flat fan control Stainless steel needle and fluid tip makes it suitable for water base Available accessories include item# 354006 - 600cc (1pt. 4oz.) Aluminum Cup Assembly and item#4501 - Diaphragm Regulator Specifications: Nozzle Size: 1.3mm, Operation Pressure: 41-44psi, Net Weight: 3lbs. (1.36kg), Dimensions W x H: 13-1/2"x 6", Avg. Air Consumpt.: 10cfm