产品规格（Product Specifications）：
|
内径mm Inner Dia.mm
|
51
|
60
|
80
|
90
|
100
|
110
|
125
|
150
|
200
|
250
|
300
|
350
|
产品说明：
用铝箔合膜缠绕高强度钢丝加PVC膜制作而成。适用于中央空和通风系统，遇高温或火警时，不产生有毒气体。
温度范围：-30℃～+140℃
Product Features:
It is made of aluminum foil and PVC film winding with high strength steel wire. It is suitable for central air-conditioner and ventilation system.
The product does not generate toxic gases when in high temperatures or in fire accident.
Rang of Temperatures:-30℃+140℃