4 1/4" Horizontal/Vertical Mount Fire Damper 2602-48X36 Residential Registers & Grilles 1/2" spacing dual angular louvers

1/2" spacing dual angular louvers for strength and maximum free area

1x2 T-Bar (8" x 20" duct)

Standard Features * Stamped steel curved blade T-Bar lay-in diffuser with perforated face * Five air patterns: 101 P - one way

Allows for 4-way airflow

CB20 - two way

4 1/4" Horizontal/Vertical Mount Fire Damper 2602-48X36 Residential Registers & Grilles 1/2" spacing dual angular louversh3. Standard Features * 2601 Square or rectangular for vertical mount only. Maximum dimension 60x60 single, 120x120 multiple. * 2602 Square or rectangular spring actuated (6) for horizontal or vertical mount. Maximum dimension 60x60. * UL and California State Fire Marshall approved * 4 1 4" standard frame style * Interlocking steel roll formed blade (3) with roll formed frames (1) * Blade lock (5) * Damper manufactured from corrosion tested galvanized