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Directional volume diffuser with 4-way removable core
904 - Double Deflection Adjustable Aluminum Blade Grille For a 24" x 18" Duct Opening(front blades parallel to shortest dimension)
Blades run parallel to longest dimension
and 2x4 panels * Soft White
102 PC - corner
2" 3 Hour Vertical Mount Fire Door 2561-48X28 Specialty Products Directional volume diffuser with 4-wayh3. 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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