TB170FF 4 INS — Filter Grille with Insulated Plenum Back

  • Lanced-face design with 1/2" blade spacing
  • Flush, face with screwdriver latches and piano hinges can be installed in any direction
  • Plenum box with R4.2 insulated ductboard
  • Uses standard 1" disposable filters (not furnished)
  • Bright White finish