Natural backflow prevention

Name: Natural backflow prevention
Uploaded: 2011-11-06T12:29:38+00:00
Duration: 2 min 54 s
Channel: draincom
Description: In each October in Toronto you can watch salmon and trout jumping up the little waterfalls at the Old Mill dam in the Humber River to get to spawning spots.

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In each October in Toronto you can watch salmon and trout jumping up the little waterfalls at the Old Mill dam in the Humber River to get to spawning spots.

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