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Ships within 48 hours · Estimated delivery Nov 11 - Nov 16
Standard Features * 2501 -Square or rectangular for vertical mount only
Margin edges are 7/8" projection for baseboard installation
Stainless steel
Available 4" thru 28" round
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
Parallel Volume Damper Low Leak 3000PLL-66X12 T-Bar Standard Features * 2501 -Squareh3. Standard Features * 16 gauge galvanized channel frame * Parallel blades are cee stiffened 16 gauge galvanized for strength and stability * Blades pivot on non metallic celcon bushings * 1 2" square zinc plated steel pivot pins * 1 2" square zinc plated steel adjustable operating shaft extending up to 4" beyond the air control frame * Single blades on dampers with a height of 12" or less * Mill finish h3. Options * 3000 PLL Low Leak Air Control
