OS&B | Hirsch Pipe & Supply

Customer Service: 1.905.827.0320

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OS&B®, founded in 1975, is a leading Manufacturer and Distributor of Plumbing Products. Located in Oakville Ontario, OS&B® is Canada’s largest manufacturer and Distributor of Bath Wastes, Lavatory Drains, Tub & Shower and various other Plumbing parts.

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