Adjustable Curved Blade Diffuser CB30-8X4 Finish:Designer Color - Storm Gray Use for applications with round

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

NGD - Narrow ceiling grid dimples for 9/16" T-Rails

Ideal for residential and light commercial application

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

Standard Features * Lightweight Aluminum vent louver * This is a larger version of the 4901 series * Flush face * Spring clip mounting * Able to withstand wet and corrosive environments * Easily installed using only a high grade silicon caulk * Satin Anodized finish Options * IS - Insect screen * Standard Color or Designer Color Finish available on this product

Adjustable Curved Blade Diffuser CB30-8X4 Finish:Designer Color - Storm Gray Use for applications with roundStandard Features * Adjustable curved blade . 055 T6 extruded aluminum surface mount supply diffuser * Four air patterns: CB10 one way, CB20 two way, CB30 three way, CB40 four way * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * Soft White Options * CB40 O recessed screwdriver operated opposed blade damper * Square to round No Labor Collar (square sizes only) * 700 CB and CB T T Bar mount * SCB steel