Opposed Blade Radial Volume Control Damper 0BR-20 T-Bar inner dimension and outside dimension

inner dimension and outside dimension available * Available in continuous lengths with butt joints * Tamper proof screws * Standard Color

For evaporative cooling or high velocity exhaust applications

Standard Features * Return air T-Bar lay-in filter grille * Removable louvered 20 gauge steel face * 20" x 20"x 1" filter (not included) * 7/8" fiberglass back plenum cut holes 6"-16" (collar by others) * Seismic support holes * Soft White

Filter retention tabs

Opposed Blade Radial Volume Control Damper 0BR-20 T-Bar inner dimension and outside dimensionStandard Features * Gang operated opposed blade radial volume control damper for use with RD Series Round Diffusers * Available in 2" increments from 6" 24"