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One piece stamped steel frame on most common sizes
cross bars
Standard Features * Extruded aluminum (
Fractional Sizes
Dampers above 80 square inches free area will be provided with blade insulation
True Round Fire Damper 2652-12 Accessories One piece stamped steel frameh3. Standard Features * Round 1 1 2 hour fire damper * Horizontal or Vertical installation * UL and California State Fire Marshall approved * Damper construction meets NFPA 90A requirements * Stainless steel curtain * 16 gauge steel frame * UL listed fusible link, 165 standard * All sizes utilize one main curtain stay * Galvanized finish h3. Options * MAR Mounting Angle Ring (sold in pairs 2 needed, 1 for each end)
