THERMOFLO 2000 SR INSULATED DUCTING 6" X 25'
THERMOFLO 2000 SR INSULATED DUCTING 6" X 25' at HorticultureSource.com -
SR Insulated Ducting 6" X 25' SR INSULATED DUCTING ThermoFlo Technologies 'SRB' series is an industrial quality insualted duct manufactured "tough" for consumers' and installers' peace of mind. It consists of a three ply polyester laminate, fiberglass reinforced scrim, galvanized spring steel wire, wrapped with fiberglass insulation, which provides an outstanding combination of strength and tear resistance. A heavy duty fire retardant black polyethylene vapor barrier adds extra durability. The insulation reduces heat loss & condensation. Manufacturer's Product Information 2007 MSRP Each $ 69.95