Parallel Blade Volume Damper 3000P-58X48 T-Bar Standard Features * 4000 -

Standard Features * 4000 - door core grille with single frame * 4100 - door core grille with additional loose frame *

Use for applications with round ductwork to create a clean and easy to install finish for your round registers or diffusers

blades prevent metal on metal rattle Countersunk mounting holes with color matching Phillips Pozidriv screws Rust-resistant pre-coat with durable powder finish Soft White Options Screwdriver operated Opposed Blade Damper 2" ADC compliant square to round collar with a bead for ease of installation Heavy Duty Construction MRI Compatible Insect Screen Fractional

055 T6 extruded aluminum * Five air patterns: 700 CB10 - one way

120x120 multiple

Parallel Blade Volume Damper 3000P-58X48 T-Bar Standard Features * 4000 -h3. Standard Features * 16 gauge galvanized channel frame * Parallel blades are cee stiffened 16 gauge galvanized for strength and stability * Blades pivot on non metallic celcon bushings * 1 2" square zinc plated steel pivot pins * 1 2" square zinc plated steel adjustable operating shaft extending up to 4" beyond the air control frame * Single blades on dampers with a height of 12" or less * Mill finish h3. Options * 3000 PLL Low Leak Air Control