Versatile and rugged Ultra® Venturi Series offers the ultimate in safety air gun performance and comfort. Ideal for cleaning inaccessible and hard-to-reach areas. Efficient venturi nozzle boosts thrust up to 300% over conventional air guns, yet limits static pressure to less than 30 psi should the tip become blocked. Patented, adjustable hanging hook can be repositioned for convenient storage. Ergonomic, cushioned pistol-grip style handle provides unparalleled comfort.