Question 1

Which is better, Tetra Whisper AP 150 Air Pump or Eheim 400 Twin Outlet Air Pump?

Accepted Answer

Both products scored 8.5/10 in our testing — it's a tie. Choose based on which features matter most to you.

Question 2

Is the Tetra Whisper AP 150 Air Pump worth it over the Eheim 400 Twin Outlet Air Pump?

Accepted Answer

The Tetra Whisper AP 150 Air Pump scores 8.5/10 while the Eheim 400 Twin Outlet Air Pump scores 8.5/10. The Tetra Whisper AP 150 Air Pump is our "Best Overall" pick in the Best Aquarium Air Pumps 2026 category.

Tetra Whisper AP 150 Air Pump vs Eheim 400 Twin Outlet Air Pump: Which to Buy?