What is this thing?

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What is this big roll of tube in our trucking maintenance bay (i.imgur.com)

submitted 10 months ago by yokonzo@lemmy.world to c/whatisthisthing@lemmy.world

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[–] Puttaneska@lemmy.world 0 points 10 months ago (1 children)

This would make sense, although I seem to remember being told that hosing can be used to pump warm air from the top of the warehouse down. So cheap , environmentally friendly heating.

If OP knows weather it sucks or blows, we might have this one solved!

[–] FishInABarrel@kbin.social 5 points 10 months ago

You can see that the hose enters the center of a centrifugal blower, which is the inlet, so the hoses are sucking.