ecoustic® Blade FR + MR is a prefabricated acoustic modular drop-in ceiling tile which fits multiple drop-in ceiling grid profiles. Blade Ceiling Tiles combine superior sound absorption with an elegant wood aesthetic and are available in either a Fire-Retardant (FR) or Moisture-Resistant (MR) base. ecoustic® Blade FR + MR Ceiling Tile is available in 10 finishes, six profiles, and two sizes.