This is the Holster/Six Shooter Pump from Dave Brown Product

FEATURES: Quickly attaches to any plastic gallon fuel bottle
          Silicone pumping element for fuel resistance
          Has no valves or seals to wear out or leak
          Self-priming and will stop and reverse almost instantly
          Designed for Gasoline Fuel only
          Large Handle at the top of the Holster for easy carrying

INCLUDES: One Holster
          One Six Shooter Fuel Pump
          One Hardware Bag with Fuel Tubing and Fitting