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Extended sleeve (2751)
*Pricing is based on standard 14 GA steel construction
Aluminum 3 cone T-Bar diffuser with a fixed face
Designer Color or Plated Metal Finish available on this product
7/8” Wide x 7/8” High square holes
3 Hour Out Of Air Fire Door Grille 2563-14X14 Smoke-Fire Damper Extended sleeve (2751)h3. Standard Features * 2561 Square or rectangular fire door for vertical mount only. Maximum dimension 48w, 49h. For damper free area chart A click here * 2563 Out of Airstream fire door. Square or rectangular for vertical mount only. Maximum dimension 48w, 41h. For damper free area chart B click here * 2565 Round fire door for vertical mount only. Available 4" thru 40" round. * UL and California State Fire Marshall approved * 2" thinline frame *
