产品规格（Product Specifications）：
25mm～32
mm
产品说明：
本产品是塑料螺旋加强支撑管。塑料管内平滑、光亮、柔软和耐磨。应用于吸尘器可以减少噪音；适用于管内要求平滑方面和通用工业产品上。
Product Features:
This product is spiral rid reinforcing plastics pipe. The internal surface of the pipe is smooth, bright, soft and abrasion-resistant. It helps dust-collector to reduce noise; it can be used in situation where the internal surface of pipes must be and used in industrial product.