Duotone wing and kite pump with pressure gauge

Ability to switch between position 1 single pump (capacity 2.3 L) and position 2 double pump (capacity 4.6 L).
The usage is intuitive, fast, and robust. The single pump (airflow only when pressing down) is particularly useful when pumping sports equipment that requires high pressure, as less effort is needed.
A new membrane system with an integrated filter protects the inside of the pump from sand ingress.
TECHNICAL FEATURES:
• New patented top cap with switching function for single or double pumping
• New membrane system (with integrated filter) to prevent sand from entering
• Ergonomically designed handle for better comfort
• Optional double or single pump for increased efficiency
• Capacity (4.6 L), max pressure 13 PSI
• Integrated pressure gauge