The Dolce®Quiet Zone Acoustic panels both absorbs and reflects sound, and are designed to prevent the formation of standing waves.  This allows normal conversation without harsh background noise.  It is designed to fit the standard drop ceiling 23-1/2" X 23-1/2" inserts.  It can be also used in the larger 23-1/2" X 47-1/2" panels.  Two smaller inserts with a extra grid spacer of a new full sized panel designed for a need and used where necessary.  These panels are flush in a drop ceiling and do not interfere with existing design, lighting or HVAC ducting.  They can be installed down the center of a hallway or staggered down the sides depending on room or space design.  Let us work with your design people to make a match for your needs,