Master Flow 4 in. x 25 ft. Insulated Flexible Duct R8 Silver Jacket

Description

Master Flow 4 in. x 25 ft. Insulated Flexible Duct R8 Silver Jacket
The Master Flow 4 in. x 25 ft. Insulated Flexible Duct R8 Silver Jacket is used in standard Heating and Air Conditioning (HVAC) systems and some venting applications. The duct has R8 insulation which contains 50% more insulation than the standard R4.2 product. This additional insulation provides greater thermal efficiency to save energy. The product is also covered in a heavy duty, silver jacket for durability. The duct is ETL listed, meeting the UL181 standard.
R8 fiberglass insulation for greater insulating power
Flexible duct is convenient for use in multiple applications including heating and A/C systems and some venting
Oversized core to connect quickly and easily to standard sheet metal fitting
Galvanized core wire for greater corrosion resistance vs. non-galvanized wire
Duct can be cut to length as needed
Insulated duct features a maximum temperature rating of 200°F
Always install per instructions and seal using approved mastic or sealant (or approved tape)
Dimensions
Product Depth (in.)
300
Product Diameter (in.)
4
Product Height (in.)
8.5
Product Length (in.)
300
Product Width (in.)
8.5
Wall Thickness (in.)
2.25
Details
Color
Silver Jacket
Insulated
Yes
Insulation R-Value
8
Insulator material
Other
Material
Fiberglass
Maximum air flow (CFM)
30.0