PERFAIR-ST plenum with top connection for AXO, NEX, OTO and PLAY square diffusers. With built-in perforated damper + air equalizer, or choice of cable-operated dampers. Includes anti-seismic tabs and crossbar with long screw and white cap for face attachment.
Available dimensions are 12″ x 12″ and 24″ x 24″, with choice of 6″, 8″, 10″ or 12″ neck diameter.
Made by EffectiV.