The Air100, which is the smallest model, has an individually adjustable air vent. And it comes with ..

€30.37

The Air200 has two individually adjustable vents and two EHEIM diffusers.Power: 3.5WPump power: 200 ..

€36.51

The Air400 has two individually adjustable air vents and comes with two EHEIM diffusers.Power: 4WPum..

€42.49