Floor Register 1550-12X22 Step Down Ceiling Diffuser 4-way flush step down steel

4-way flush step down steel diffuser

Fits 1x1 ceiling grids (collar size 6"-10")

remove the two center cones as a unit and reposition the six screws

Field installable bowtie damper with round ring

Square to round transition collar

Floor Register 1550-12X22 Step Down Ceiling Diffuser 4-way flush step down steelStandard 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