7 in. x 25 ft. Silver R4.2 Flexible Air Duct
Flexible Technologies
7 in. x 25 ft. Silver R4.2 Flexible Air Duct
Package Quantity Info:
Each: 1 Inner Pack: 40
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Purchase history
Flexible Technologies
7 in. x 25 ft. Silver R4.2 Flexible Air Duct
0537-0700-0001
Order #
Order Date
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Product Details
Product Description
- Insulated
- Reinforced Metalized vapor barrier
- Polyester inner core for low to medium pressure systems
- Velocity 5,000 fpm
- Flame spread less than 25, smoke developed less than 50
- Operating temperature -20° F to 250° F
- R value: 4.2 using ASTM C-518 (1991) at installed wall thickness on flat insulation only
- UL 181 listed class I air duct
- Complies with NFPA standards 90A and 90B
- Meets FHA standards
Dimensions & Measurements
Diameter
7 in
Length
25 ft
Maximum Airflow
5000
Characteristics & Features
Color Finish Category
Silver Tones
Color Finish Name
Silver
Insulated
Yes
Material
Plastic, Steel
Material Type
Polyester
R value
R4.2
Vent Duct Shape
Round
Warranty & Product Information
ASTM
ASTM C518
UL Listed
UL 181 Class 1