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Fiberglass Grille & Diffuser Boxes

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4 items
  1. Miami Tech R6MTB080404 - R-6 Metal Top Register Box with Collar, 8" X 4" X 4", 28 Gauge
    This product is currently not available for purchase.
  2. Miami Tech R6BU0804 - R-6 Unflanged Register Box, 8" X 4", 30 Gauge
    This product is currently not available for purchase.
  3. Miami Tech R6MTB080405 - R-6 Metal Top Register Box with Collar, 8" X 4" X 5", 28 Gauge
    This product is currently not available for purchase.
  4. Mitchell Metal 40R60804 - 8" X 4" Ductboard Register Box - R6 Ductboard Applications
    This product is currently not available for purchase.
4 items