FIRE/SMOKE DAMPER AIRFOIL BLADE IN UAE

<span style="color: rgb(34, 34, 34); font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 11px; line-height: 18px; background-color: rgb(243, 243, 243);">U.L. rated for dynamic closure & leakage CLASS I @ 350oF (176°C) , for use in a 1-1/2 hour (781 Model) or 3 hour (781-3 Model) wall or partition. Meets NFPA 90A & UL555</span>