Product Description This industrial evaporative cooler air duct system is a complete set of flame-retardant PP air guide piping accessories designed for industrial cooling fans, air conditioning and ventilation exhaust systems, including straight air ducts, left/right elbows and tee connectors. Manufactured from flame-retardant modified polypropylene (PP) that meets UL 94 V-0 rating, it features reliable fire self-extinguishing performance, strong acid & alkali corrosion
Product Description This industrial evaporative cooler air duct system is a complete set of flame-retardant PP air guide piping accessories designed for industrial cooling fans, air conditioning and ventilation exhaust systems, including straight air ducts, left/right elbows and tee connectors. Manufactured from flame-retardant modified polypropylene (PP) that meets UL 94 V-0 rating, it features reliable fire self-extinguishing performance, strong acid & alkali corrosion