Thermo-efficient insulated Heating & A/C Duct. Clear CPE Core (bonded to coated wire helix) easily expands over fittings & supports a thick blanket of fibreglass insulation. #471 has fibreglass fibreglass-reinforced metalized cover. Rated R-4.2. Operating temperatures (-29° to +121°C). Meets UL 181, NFPA 90A and 90B.
Trident Insulated Air Conditioning Duct – #471
Trident Insulated Air Conditioning Duct – #471
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
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