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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
stair risers
3/16” crossbars
3 cone steel diffuser with hinged core for easy duct access
Adjustable curved blade diffuser
Hinged perforated face with screwdriver access to release
2" Vertical Mount Fire Damper 2533-30X6 Commercial stair risersh3. Standard Features * 2533 Square or rectangular for vertical mount only. Maximum dimension 48w, 41h. * 2534 Square or rectangular spring actuated (6) for horizontal or vertical mount. Maximum dimension 41w, 29h. * UL and California State Fire Marshall approved * 2" thinline frame * Interlocking steel roll formed blade (3) with roll formed frames (1) * Blade lock (5) * Damper manufactured from corrosion tested galvanized mild steel (G 90) * Self
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