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T-Bar hinged 2 Cone Step Down Diffuser with Round Collar
3 hour fire resistance rating
Performance Data With Multi-Shutter Damper
UL listed and tested in accordance with UL Standard 555
4" Horizontal/Vertical Mount Fire Damper 2634-20X12 T-Bar T-Bar hinged 2 Cone Steph3. 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$ 40.00
US$ 129.48
US$ 18.00
