Product Description This industrial evaporative cooler air duct system is a complete set of flame-retardant PP ventilation piping solution, consisting of straight air ducts and large-radius ventilation elbows. It is manufactured from industrial-grade modified flame-retardant polypropylene (PP) with anti-aging additives, reaching UL 94 V-0 flame retardant grade and delivering outstanding corrosion resistance and ultra-long service life. The large-radius elbows adopt hydrodynam
Product Description This industrial evaporative cooler air duct system is a complete set of flame-retardant PP ventilation piping solution, consisting of straight air ducts and large-radius ventilation elbows. It is manufactured from industrial-grade modified flame-retardant polypropylene (PP) with anti-aging additives, reaching UL 94 V-0 flame retardant grade and delivering outstanding corrosion resistance and ultra-long service life. The large-radius elbows adopt hydrodynam