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listed Fire-Resistance Diffuser * TVB - Thermal Vapor Blanket * Square Collar
To adjust diffuser
Standard Features * 1/2" x 1/2" x 1/2" aluminum lattice face *
055 T6 extruded aluminum * Square collar * For 22"x22" square duct * Soft White Options * 915 T O - opposed blade damper * No Labor Collar - square to round (2x2 only) * 1x2 panel (10"x22" duct) or 2x4 panel (22"x46" duct) * Satin Anodized Finish available on this product
055 T6 extruded aluminum surface mount supply diffuser * Four air patterns: CB10 - one way
2" 3 Hour Vertical Mount Fire Door 2561-36X22 Residential Registers & Grilles listed Fire-Resistance Diffuser * TVBh3. 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 *
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