M&M Manufacturing 643SST 643665 Slant Top Insulated Register Box, 6" Length, 6" Width, For 5" Pipe, R-2, Steel, Slant Top Angle, Silver

M&M Manufacturing 643SST 643665 Slant Top Insulated Register Box, 6" Length, 6" Width, For 5" Pipe, R-2, Steel, Slant Top Angle, Silver

Manufacturer: M&M Manufacturing
Brand: M&M
Part #: 383847
MPN: 643665
Customer Part #:
Min. Order Qty: 1
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Angle      :      Slant Top
Color      :      Silver
Length      :      6 "
Material      :      Steel
Model      :      643665
Pipe Size      :      5 "
R-Value      :      2
Series      :      643SST
Size      :      5" Diam (Pipe) x 6" L x 6" W
Width      :      6 "

The 643SST is an insulated slant boot designed for HVAC ductwork connections. It accommodates a 5-inch diameter pipe and connects to a 6-inch by 6-inch register opening. The insulated design features an R-2 value to help minimize thermal loss and prevent condensation.

M&M Manufacturing Slant Top Insulated Register Box, Model: 643SST, 6" Length, 6" Width, For 5" Pipe, R-2, Steel, Slant Top Angle, Silver

  • Connects 5-inch diameter round ductwork to a 6" x 6" square register opening.
  • Slanted design accommodates angled transitions in duct runs.
  • Features R-2 insulation to improve energy efficiency and minimize condensation.
  • Belongs to the 643SST series for product identification.

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