Sorry about the late response. It was purchased new with low hours. No visible rust.
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If i port the exhaust outside and shut all the windows, will it turn my house into a vacuum chamber ?
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Absolutely. I think you can make your very own hyperloop.
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It’s the smallest of the lot 
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Wtf 
Snapped a photo with a ball cap for scale
From what I can discern the pump/booster combo units (there’s 2). Will hit 25 micron at 100+ cfm
These guys are open to offers!!
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These are already setup as pump+booster combo. I’m not sure how to do the calculation. The pump on its own does 50cfm and the booster does 300+ cfm.
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im just a pump collector/horder but i might have to come see these!
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price?
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They’re in Vancouver BC, I’m sure they’d be reasonable to offers.
They’re all VERY low running hours.
I’d say they’d let the combo units go for $8k + shipping. But throw some offers my way and I’ll see what I can negotiate 
Holy vacuum, when I get back to the lab next week I’ll see if I might wanna grab one depending on the recovery we will need!
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Sounds good!
Should be able to handle anything you throw at it lol
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anythingggggg?
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Could easily fit a Fleshlight into it yes
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My god, it’s, it’s AAAAMMMMMAAAAAAAAAAAAAAAAAZING!!!
These multistage roots pumps are the bee’s knees. The biggest issue is noticing a leak when you have one cause the pump don’t give a fuck
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