Floor Register 1550-8X28 Accessories 055 T6 aluminum surface mount

055 T6 aluminum surface mount return air grille * 45 fixed blades parallel to longest dimension * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * 905 O - recessed screwdriver operated opposed blade damper * No Labor Collar (square sizes only) * 900 T - T-Bar mount * 905 HD - reinforced construction * 905 IS - insect screen * 1335-1338 Series - stainless steel version * Fractional

1/2" spacing dual angular louvers

904 - Double Deflection Adjustable Aluminum Blade Grille For a 18" x 4" Duct Opening (front blades parallel to shortest dimension)

212° Fusible Link

3 cone steel diffuser with hinged core for easy duct access

Floor Register 1550-8X28 Accessories 055 T6 aluminum surface mountStandard Features Fixed bars with 0 deflection Heavy duty steel honeycomb construction Flush core and frame provides smooth surface Free area equals more than 75% of nominal size Blades run parallel to longest dimension Recessed screwdriver operated opposed blade damper to control air volume for positive balance of system Rust resistant pre coat with durable powder finish Driftwood Tan Options Reinforced welded core and extra supports for heavy duty