Tetra Whisper 20 Aquarium Air Pump
If you're like most home aquarium owners, quiet aquarium equipment is important to you. The goal of the innovative design of Tetra Whisper air pumps is ultimate operating silence without loss of efficiency.
The unique patented dome shape actually flattens sound waves, while thick walls, noise dampening chambers, wide rubber feet and a suspended pump motor make the Whisper air pump among the quietest on the market. All this while the pump's diaphragm produces the considerable air flow needed to drive sponge, undergravel and internal filters, protein skimmers and action ornaments.
* Model: 20
* Watts: 2.5W
* Dimensions: 3.375" x 6" x 2.75" high.
* Outlet: 1
* Recommended Tank Size: 20 gal.
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Not very quiet Review by Taylor
When first starting my aquarium hobby, I found these to be very cheap to start with. Thinking that all air pumps were the same, i bought one and it lasted a few months but by no means "whispered." (Posted on 1/24/2015)
Quite a loud whisper Review by Derek
These guys are not nearly as quiet as their name implies. They are quieter than many competitors, but still audible. I can hear it in my living room when sitting 10 feet away, but its not unbearable. (Posted on 12/2/2014)
runs quiet for first few months Review by Ken
This ran perfectly quiet for the first few months, but has started to get slightly loud. still does a great job, just needs to be kept somewhere you wont mind the noise (Posted on 7/23/2014)