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I use a blower like the one below. They are cheap, last fairly long, and are easy to source. When one goes bad it's no big deal to change it out for a new one. Can someone smarter than me (all of you) tell me if I put two in series, will it increase (or double) the amount of suction in my fume hood? I have a direct suction into a vertical pipe (was the best I can do) but currently, one fan is just a little bit inadequate. This may seem like a no brainer to most people, but I don't want to start modifying my system until I am sure.
Thanks for your help

[QUOTE="AuggieDog, post: 385541, member: 65721"] I use a blower like the one below. They are cheap, last fairly long, and are easy to source. When one goes bad it's no big deal to change it out for a new one. Can someone smarter than me (all of you) tell me if I put two in series, will it increase (or double) the amount of suction in my fume hood? I have a direct suction into a vertical pipe (was the best I can do) but currently, one fan is just a little bit inadequate. This may seem like a no brainer to most people, but I don't want to start modifying my system until I am sure. Thanks for your help [/QUOTE]

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