Quietest air pump for 15 gallon column tank?

[Srt999]

Hi,
I was wondering which air pump is the quietest to power an ornament in my Aqueon 15 gallon column fish tank?

 

[Big G]

Bump

 

[slojim]

maybe not the best site for continuous air pump information - most of us use them only intermittently for QT, temporary holding, or bubble scrubbing. That said, I still use an old tetra whisper that is indeed quiet and works well. Whether or not it is made the same today I can not say.