M&M Manufacturing 643SST 643664 Slant Top Insulated Register Box, 6" Length, 6" Width, For 4" Pipe, R-2, Steel, Slant Top Angle, Silver
M&M Manufacturing 643SST 643664 Slant Top Insulated Register Box, 6" Length, 6" Width, For 4" Pipe, R-2, Steel, Slant Top Angle, Silver

M&M Manufacturing 643SST 643664 Slant Top Insulated Register Box, 6" Length, 6" Width, For 4" Pipe, R-2, Steel, Slant Top Angle, Silver

M&M Manufacturing 643SST 643664 Slant Top Insulated Register Box, 6" Length, 6" Width, For 4" Pipe, R-2, Steel, Slant Top Angle, Silver

Manufacturer: M&M Manufacturing
Brand: M&M
Part #: 383846
MPN: 643664
Customer Part #:
Min. Order Qty: 1
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Angle      :      Slant Top
Color      :      Silver
Length      :      6 "
Material      :      Steel
Model      :      643664
Pipe Size      :      4 "
R-Value      :      2
Series      :      643SST
Size      :      4" Diam (Pipe) x 6" L x 6" W
Width      :      6 "

M&M Manufacturing Slant Top Insulated Register Box, Model: 643SST, 6" Length, 6" Width, For 4" Pipe, R-2, Steel, Slant Top Angle, Silver

Constructed from durable steel.Features a slant top design to help direct airflow.Lined with 1/2" ductliner providing R-2 insulation value.Designed for a 6" x 6" register opening and connects to 4" round duct.Includes tabs for secure installation.