หน้าแปลน ABS สำหรับท่อระบายอากาศ 4-6 นิ้ว

Material: high quality ABS Product size: 140*96*60 Uses: Fresh air switch duct joint Non-toxic and tasteless Can be used as inlet and outlet, installed in the duct fan connection Carefully selected materials, fine workmanship, using new high quality ABS material, environmentally friendly, non-toxic, strong hardness,High strength, corrosion resistance Smooth surface injection molding Internal curvature design for lower wind resistance Beautiful appearance and wide application Can be used as inlet and outlet, duct fan connection