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Individually welded 14 guage diffusion bars
smooth style * 360 air diffusion * Excellent for variable air volume applications * Hinged-down core for easy access * No Labor Collar * Seismic support hangers * Available sizes: 6"-10"
Designed for ceiling or sidewall applications
to 23 29/32"
SD34 Submittal Drawing
3 Hour Out Of Air Fire Door Grille 2663-36X34 Step Down Ceiling Diffuser Individually welded 14 guage diffusionh3. Standard Features * 2661 Square or rectangular fire door for vertical mount only. Maximum dimension 60x60. For damper free area chart A click here * 2663 Out of Airstream fire door. Square or rectangular for vertical mount only. Maximum dimension 60w x 52h. For damper free area chart B click here * 2665 Round fire door for vertical mount only. Available 4" thru 52" round. * 3 hour rated * UL and California State Fire Marshall approved * 4 1 4"
US$ 92.00
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