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#31
12-09-2008, 02:30 AM
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Hey Mike, my SM 250 has no problem starting up, the only sound it makes is a quick hiss from the air line. Once running absolutely silent, they have special pointed rubber feet on everything that basically eliminate any vibration as well. Plus I like the anti-lime mod on the pump and the fact you can take the base off to clean the diffuser plate.
I good link to pics of the SMs 
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