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2" ADC compliant round collar with a bead for ease of installation
425 Series Submittal
Curved saddle with gasket provides airtight fit to spiral pipe
1050 Series Submittal
4 1/4" Vertical Mount Fire Damper 2633-20X6 Step Down Ceiling Diffuser 2" ADC compliant round collarh3. 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
US$ 15.99
US$ 11.99
US$ 480.00
US$ 64.00
