Quiet, but head height is significant. By Jim on 12/27/2014
Jim would recommend this product to a friend
This is a really nice quiet pump. Be sure to review the head height vs. flow chart carefully. This pump loses flow pretty rapidly compared to some others based on the height of your return.
Energy efficient, but not silent By Liz on 8/13/2014
Liz would recommend this product to a friend
There's nothing "silent" about this pump, it emits a loud hum like all the others (though maybe quieter? I'd like to see decibel noise comparison readings on these products that claim to be quieter). I bought it for the energy efficiency/reduce heat in the aquarium. The flow adjust valve is easy to reach/turn. Provides ample flow for a 40 gallon aquarium with a 5' return from the sump.
Excellent pump By Corey on 12/28/2013
Corey would recommend this product to a friend
I ordered this pump about 3 months ago after some thorough research. This is an awesome pump for the price, very quiet! The included output adapter made it easy to connect 1" vinyl tubing. Overall, I'm very happy with this pump.