Elmdor Recessed Acoustical Tile Access Door AT 8" x 8" Doors are designed for use with acoustical...
Buy it:
$38.01 at PlumberSurplus.com
Elmdor Recessed Acoustical Tile Access Door AT 24" x 36" Doors are designed for use with acoustic...
Buy it:
$116.95 at PlumberSurplus.com