M&M Insulated Register Box With Snap Rail Flange, Series: 641R6, 8 in, 12 in Length, 8 in Width, 4 in Height, 30 ga, Fiberglass/Steel, Galvanized, Silver, R-Value: R-6
R-Value | R-6 |
Length | 12 in |
Width | 8 in |
Height | 4 in |
Material | Fiberglass/Steel |
Finish | Galvanized |
Color | Silver |
- Lined with 1-1/2 in ductliner providing R-Factor of R-6