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ULC 522
- Standard for Fire Extinguishers and Booster Hose (CAN/ULC S522)
- standard by Underwriters Laboratories of Canada, 08/01/2014
- Publisher: CAN/ULC
$133.00$265.60
Covers hose in nominal internal diameter sizes of 8 mm up to and including 32 mm for use on portable and wheeled fire extinguishers, hand hose line fixed extinguishing systems, and also as booster hose on fire apparatus.
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