CVi(TM) Gravity Feed Gun CVI-620G Lightweight HVLP/Trans-Tech Gravity Feed Gun with 1.3mm Fluid Tip, 2 Air Caps and 1 Liter Cup Includes both the HVLP #505 AIR CAP & Free Airflow Trans-Tech High Efficiency Technology #510 AIR CAP Free Airflow Technology makes much more efficient use of air with the same great atomization and fan pattern size The new Trans-Tech High Efficiency Technology increases your productivity! Extremely comfortable feel in the hand due to the lightweight ergonomic design.