Aluminum Airfoil Blade Double Deflection Diffuser 903-20X20 T-Bar Lever Operated Opposed Blade Damper

Lever Operated Opposed Blade Damper

Standard Features * 1/2" spacing dual angular louvers * 22 & 20 gauge cold roll steel * Hand operated lever for easy filter access * Holds up to 2" thick standard filter (not included) * Removable face for easy cleaning and maintenance * Filter door hinges parallel to longest side * 4-way reversible door on square sizes * 2-way reversible door on rectangular sizes * Filter retention tabs * Concealed mounting holes * Soft White Options * SPFG-4 - holds 4" deep air filter * Standard Color

*Note: Ceramic fiber blade insulation is not UL required on dampers with free areas less than 80 square inches

For evaporative cooling or high-velocity exhaust applications

Aluminum Airfoil Blade Double Deflection Diffuser 903-20X20 T-Bar Lever Operated Opposed Blade DamperStandard Features Double deflection surface mount grille with adjustable airfoil blades Front blades parallel to longest dimension, back blades parallel to the shortest dimension Extruded aluminum surface mount frame with signature line marks Provides 4 way air flow on one plane Nylon bushings on adj. blades prevent metal on metal rattle Countersunk mounting holes with color matching Phillips Pozidriv screws Rust resistant pre coat with durable powder