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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
One piece steel frame
055 T6 extruded aluminum surface mount supply diffuser * Four air patterns: CB10 - one way
2" thin-line roll formed out-of-airstream frame
Non-standard size collar (available in 6" through 20")
2" ADC compliant round collar with a bead for ease of installation
4 1/4" Vertical Mount Fire Damper 2633-30X20 Step Down Ceiling Diffuser One piece steel frameh3. Standard Features * 2633 Square or rectangular out of airstream fire damper for vertical mount only. * 2634 Square or rectangular Spring actuated (6) out of airstream fire damper for horizontal or vertical mount. * UL and California State Fire Marshall approved * 4 1 4" standard frame style * Maximum dimension 60w, 52h * Interlocking steel roll formed blade (3) with roll formed frames (1) * Blade lock (5) * Damper manufactured from corrosion
