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700 CB20 - two way
904 - Double Deflection Adjustable Aluminum Blade Grille For a 48" x 24" Duct Opening (front blades parallel to shortest dimension)
1 1/2 hour fire resistance rating
1550 Series Submittal
see 1560 Series * Tamper proof screws * Standard Color
4 1/4" Horizontal/Vertical Mount Fire Damper 2602-12X6 Residential Registers & Grilles 700 CB20 - two wayh3. Standard Features * 2601 Square or rectangular for vertical mount only. Maximum dimension 60x60 single, 120x120 multiple. * 2602 Square or rectangular spring actuated (6) for horizontal or vertical mount. Maximum dimension 60x60. * UL and California State Fire Marshall approved * 4 1 4" standard frame style * Interlocking steel roll formed blade (3) with roll formed frames (1) * Blade lock (5) * Damper manufactured from corrosion tested galvanized
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