M&M Manufacturing - Insulated Register Box 4 in Collar, 8 x 4 x 4, R6

  • Item #: 641-R6-8X4X4
  • Manufacturer: 641R6844
  • Brand Name: M&M Manufacturing
  • Min. Order Qty: 1
  • Qty. Interval: 1
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Standard Size #641R6 Register Boxes are lined with 1-1/2'' Ductliner to provide an R-Factor of R-6. The #641R6 Register Box is 4'' Tall with Snap-Rail Flange