Thermo-efficient insulated Heating & A/C Duct. Black CPE Core (bonded to coated wire helix) easily expands over fittings & supports thick blanket of fiberglass insulation. #470 has tough polyethylene cover for Double Air Seal. Rated R-4.2. Operating temperatures (-20° – +250° F). Meets UL 181, NFPA 90A and 90B.
Vent Duct & A/C Ducting
Trident Insulated Air Conditioning Duct – #470
Trident Insulated Air Conditioning Duct – #470
Sizes:
Black - 3" to 8", 76 mm & 203 mm. Silver - 4" to 8", 102 mm & 203 mm
Colors:Black (470) and Silver (471)
Packing:25’ (7.6m)Lengths Boxed