Floor Register 1550-R-12X30 Residential Registers & Grilles Concealed mounting holes with mounting

Concealed mounting holes with mounting screws

Extended sleeve (2751)

Field installable bowtie damper with round ring

904 - Double Deflection Adjustable Aluminum Blade Grille For a 40" x 18" Duct Opening (front blades parallel to shortest dimension)

904 Series Submittal

Floor Register 1550-R-12X30 Residential Registers & Grilles Concealed mounting holes with mountingStandard 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