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Feature

R4 fiberglass insulation for improved energy efficiency & noise absorption
Polyethylene sleeve separates airflow from insulation
Cut to length for each specific application
Can be used in Supply, Return and standard exhaust applications
Ideal for duct systems within the conditioned space

Description

Speedi-Products 6-Inch by 25-Feet Insulated Flexible Duct R4 Metalized Jacket is used in HVAC Heating and Air Conditioning systems and venting applications. This insulated R4 rated class 1 air duct comes with a polyethylene sleeve and black poly exterior jacket. The duct is ETL listed, meeting the UL181 standard.