4" Horizontal/Vertical Mount Fire Damper 2634-48X16 T-Bar Standard Features * Round 1-1/2

Standard Features * Round 1-1/2 hour fire damper * Horizontal or Vertical installation * UL and California State Fire Marshall approved * Damper construction meets NFPA 90A requirements * Stainless steel curtain * 16 gauge steel frame * UL listed fusible link

REVIT FILES T-Bar Modular Core Diffuser with Round Collar 16

SD52 - Transition Box Spiral Pipe Grille (Single Deflection)

Standard Features * Use in applications for installing round without damper * Steel galvaneal construction

Standard Features * T-Bar lay-in panel with perforated face * 2x2 galvaneal steel panel with seismic support hangers * Round No Labor Collar attached to panel * Soft White Options * 105 P D - multi-shutter damper with hinged perforated face * 105 P O - opposed blade damper with hinged perforated face * TVB - Thermal Vapor Blanket * Square collar

4" Horizontal/Vertical Mount Fire Damper 2634-48X16 T-Bar Standard Features * Round 1-1/2h3. 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