4/6/8 英寸柔性铝制风管，长度分别为 4.92/9.84/16.4 英尺，配有 2 个卡箍，适用于 HVAC 通风和排气系统，4 层重型防护

銀色

D20cm xL5m/D8in x L16.4ft

D10cm x L5m/D4in x L16.4ft

D15cm x L3m/D6in x L9.84ft

D10cm x L3m/D4in x L9.84ft

D15cm x L5m/D6in x L16.4ft

D10cm x L1.5m/D4in x L4.92ft