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MPI Air Conditioning Flexible Air Duct - 25 ft Box
Double lamination of tough polyester, which encapsulates a steel wire helix, forms air-tight inner core. Seamless black polyethylene vapor barrier surrounds thick blanket of fiberglass insulation. R value 4.2 and meets or exceeds UL-181, NFPA 90A and 90B standards. Resistant to ozone, UV, and corrosion. For Class 1 Heating and AC Duct applications. Operating temperature -20°F to 250°F (-29°C -121°C).
Please Select from 4" to 9" Internal Diameter
5", 6", and 7" Ducts in stock.
MPI Air Conditioning Flexible Marine AC Ducting - 25 ft Box
Double lamination of tough polyester, which encapsulates a steel wire helix, forms air-tight inner core. Seamless black polyethylene vapor barrier surrounds thick blanket of fiberglass insulation. R value 4.2 and meets or exceeds UL-181, NFPA 90A and 90B standards. Resistant to ozone, UV, and corrosion. For Class 1 Heating and AC Duct applications. Operating temperature -20°F to 250°F (-29°C -121°C).
Specifications:
I.D | MM | O.D. | MM | Length | Weight Per Cubic Foot |
3" | 76 | 3.250" | 82.5 | 25' | 2.4 lbs |
4" | 102 | 4.250" | 108 | 25' | 2.6 lbs |
5" | 127 | 5.250" | 133 | 25' | 2.8 lbs |
6" | 152 | 6.250" | 159 | 25' | 3.2 lbs |
7" | 178 | 7.250" | 178 | 25' | 4.0 lbs |
9" | 152 | 7.250" | 159 | 25' | 5.2 lbs |