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The Master Group sells only in the provinces of Ontario, Quebec and the Maritimes.

Fire and Smoke Dampers

See Ruskin® Fire and Smoke Dampers
Fire and Smoke Dampers Ruskin®
Fire and Smoke Dampers Smoke Dampers Ruskin®

Fire and Smoke Dampers
Smoke Dampers

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Models

SD60-BAL: UL Classified Class I, Airfoil Blade

SDRS25SS: UL Classified Class I, True Round

Validator: Validator System

 

Standard

SD35: UL Classified Class III, V-Groove Blade

SD36: UL Classified Class II, V-Groove Blade

SD37: UL Classified Class I, V-Groove Blade

SD50: UL Classified Class I, Aluminum Airfoil Blade

SD60: UL Classified Class I, Airfoil Blade

SD60-2: UL Classified Class II, Airfoil Blade

SD60V: UL Classified Class II, Vertical Airfoil Blade

 

True Round

SDRS25: UL Classified Class I, True Round

 

Stainless Steel

SD35SS: UL Classified Class III V-Groove Blade

SD36SS: UL Classified Class II, V-Groove Blade

SD37SS: UL Classified Class I, V-Groove Blade

 

Modulating

SD60M: UL Classified Class I, Airfoil Blade, Modulating

 

Fan Isolation

SD102: UL Classified Class II, Aluminum Airfoil Blade

 

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