Kit choices include: , Standard Nozzle Kit: JetLoad pneumatic tube cleaning gun, 9 standard hose nozzles and carrying case. , Coupling Nozzle Kit: JetLoad pneumatic tube cleaning gun, 9 coupling nozzles ( to fit over hose couplings) and carrying case. , Tube Nozzle Kit: JetLoad pneumatic tube cleaning gun, 9 tube nozzles ( to clean tubes) and carrying case. SPECS Air Requirements: Minimum 90 PSI ( 6.2 BAR) , Maximum 120 PSI ( 8.3 BAR) , Dimensions: 3" -5" ( 76-130mm) long ( depending on nozzle) , Carrying Case: 16" ( 410mm) high x 18" ( 460mm) wide x 5 " ( 140mm) deep , Weight ( Gun) : 1 lbs ( 0.7 kg)