Steel Blade Single Deflection Diffuser 931-8X6 Finish:Designer Color - Glossy White 2" ADC compliant round collar

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

Modern step-down design with 4-way air diffusion

904 - Double Deflection Adjustable Aluminum Blade Grille For a 24" x 4" Duct Opening  (front blades parallel to shortest dimension)

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

904 Series Performance Data

Steel Blade Single Deflection Diffuser 931-8X6 Finish:Designer Color - Glossy White 2" ADC compliant round collarStandard Features *Surface mount diffuser * Nylon bushings for easy adjustment and quiet setting of steel blades * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * Single deflection diffuser with adjustable steel blades * Steel blades are parallel to longest dimension * Allows 2 way air deflection on one plane * Soft White Options * 931 O with recessed screwdriver operated opposed blade damper * 1331 and