Smoke Dampers
| K1 | Class I, 250°F / 350°F, 1½ hour Single Thickness Blade, Smoke Damper | |
|---|---|---|
| K2 | Class II, 250°F / 350°F, 1½ hour Single Thickness Blade, Smoke Damper | |
| KA1 | Class I, 250°F / 350°F, 1½ hour, Airfoil Blade, Smoke Damper | |
| KA2 | Class II, 250°F / 350°F, 1½ hour, Airfoil Blade, Smoke Damper |
