Flexible Duct - Insulated

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6B

Type 6B Acoustical Flexible Duct Insulated

CONSTRUCTION FEATURES

Flexmaster’s Type 6B is manufactured to meet the highest quality standards in strength, permeability and fire resistance required in a flexible air duct. This insulated ETL Class 1 Connector is fabricated with an acoustically transparent Spunbond Nylon inner fabric which allows broadband sound energy to penetrate the duct wall.

LINER

Spunbond Nylon fabric. Mechanically Locked without adhesives.

HELIX

Corrosive resistant galvanized steel, formed and mechanically locked to fabric.

VAPOR BARRIER

Black fire retardant Polyethylene material. Excellent strength at low temperatures. Will not age harden.

INSULATION

Fiberglass insulation blanket, factory wrapped.

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