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Metal Grille & Diffuser Boxes

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5 items
  1. M&M 640R61088 - #640R6 Insulated Register Box, 10" X 8" X 8"
    This product is currently not available for purchase.
  2. M&M 643R61088 - #643R6 Steel Slant Top Register Boxes, 10" X 8" X 8"
    This product is currently not available for purchase.
  3. M&M 645R61088 - 10" X 8" X 8" #645R6 Adjustable 45 Degree Collar with Tabs & 1.5" Ductliner
    This product is currently not available for purchase.
  4. M&M 641R61088 - #641R6 Insulated Register Box with Snap Rail Flange, 10" X 8" X 8"
    This product is currently not available for purchase.
  5. M&M CP-502R1088 - #502R6 Insulated Register Box, 6" Tall, 10" X 8" X 8", No Flange
    This product is currently not available for purchase.
5 items