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Ships within 48 hours · Estimated delivery Aug 20 - Aug 25
Opposed Blade Damper standard on 4" widths
For damper free area chart A click here * 2563 - Out-of-Airstream fire door
Maximum dimension 48w
3 hour fire resistance rating
One-piece removable slide damper for off-season closure
True Round Fire Damper 2652-7 Accessories Opposed Blade Damper standard onh3. 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)
US$ 129.00
US$ 354.50
US$ 139.00
