http://www.amazon.com/Hydroponics-Inline-Scrubber-Carbon-Filter/dp/B004Q2ER5C%3FSubscriptionId%3D06KMPSHEDSXXQMQVT482%26tag%3Daskcom05-20%26linkC I have this blower and it's pretty quiet.I would get the speed control and you can turn it down when you need it quiet,or early in the grow when you don't really need to run it at top speed.