M&M Manufacturing 643SST 643R8664 Slant Top Insulated Register Box, 6" Length, 6" Width, For 4" Pipe, R-8, Steel, Fiberglass, Slant Top Angle, Galvanized
M&M Manufacturing 643SST 643R8664 Slant Top Insulated Register Box, 6" Length, 6" Width, For 4" Pipe, R-8, Steel, Fiberglass, Slant Top Angle, Galvanized
Manufacturer: M&M Manufacturing
Brand: M&M
Part #: 383852
MPN: 643R8664
Customer Part #:
Min. Order Qty: 1
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| Angle | : | Slant Top |
| Color | : | Silver |
| Finish | : | Galvanized |
| Length | : | 6 " |
| Material | : | Steel, Fiberglass |
| Model | : | 643R8664 |
| Pipe Size | : | 4 " |
| R-Value | : | 8 |
| Series | : | 643SST |
| Size | : | 4" Diam (Pipe) x 6" L x 6" W |
| Width | : | 6 " |
This M&M 643SST series slant top register box is designed for connecting 4" round ductwork to a 6" x 6" ceiling or wall register opening. Constructed from durable 30-gauge galvanized steel, this box is built for longevity in residential and commercial HVAC applications. It comes pre-insulated with R8 fiberglass lining to minimize thermal loss and improve system efficiency.
M&M Manufacturing Slant Top Insulated Register Box, Model: 643SST, 6" Length, 6" Width, For 4" Pipe, R-8, Steel, Fiberglass, Slant Top Angle, Galvanized, Silver
- Connects 4" round duct to a 6" x 6" register opening.
- Features R8 fiberglass insulation to reduce thermal loss.
- Constructed from durable 30-gauge galvanized steel.
- Slant top design helps direct airflow.
- Flanged for easier installation against drywall or mounting surface.
- Manufactured in the USA.