High capacity ceiling diffusers. Because they maintain an unbroken horizontal flow pattern from maximum CFM down to minimum CFM, they are an excellent choice for variable air volume applications.
The 1400 has one-, two-, three- or four-way deflections.
Removable snap-in core is held in place by two tabs that slide into the outer frame. The other side is secured by a positive lock arrangement. Core is easily removed by releasing lock and removing the core.
T-Bar Panel is ordered as FR33.
Optional OBD14 available in three-inch increments from 6 x 6.
Use with AL10PF plaster frame for surface-mount applications