Very quiet and extremely effective air pumps.\n\n- Pleasantly quiet running, thanks to sound-absorbing chambers\n- Very quiet operation, thanks to innovative technology, stable housing and special vibration-absorbing rubber feet\n- excellent quality and reliability\n- Highly consistent air flow thanks to powerful, durable membrane\n- Includes air tap for adjusting the air flow\n- easy to use\n- TÜV/GS tested