Pressure Relief Horizontal Air Up 3520-16X24 Commercial 1x1 T-Bar (10" x 10"

1x1 T-Bar (10" x 10" duct)

032 Aluminum construction * Tamper proof screws * Standard Color

Spring actuated curtain-type fire damper with 2 1/4" round connection for horizontal or vertical mount

2" ADC compliant round collar with bead for ease of installation (square sizes only)

Margin edges are 7/8" projection for baseboard installation

Pressure Relief Horizontal Air Up 3520-16X24 Commercial 1x1 T-Bar (10" x 10"h3. Standard Features * 3510 Vertical mount * 3520 Horizontal mount air up * 3530 Horizontal mount air down * Designed to open with negative or positive pressures for intake or exhaust air * Felt edge blades to hold noise to a minimum * Aluminum construction * Blade to blade linkage * 1 4" pivot pins in nylon busings * Maximum size 24 x 24 * Mill finish h3. Options * Sleeve variations * Mounting flange * Adjustable counter balance to adjust various