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Ships within 48 hours · Estimated delivery Aug 22 - Aug 27
For damper free area chart A click here * 2563 - Out-of-Airstream fire door
inner dimension and outer dimension sizes available * Tamper proof screws * Standard Color
904 - Double Deflection Adjustable Aluminum Blade Grille For a 36" x 14" Duct Opening (front blades parallel to shortest dimension)
Maximum dimension 48w
True Round Fire Damper 2652-7 Accessories For damper free area charth3. 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)
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