Scope of application：
It is mainly used for sterile and dust-free medical operations such as purification operating rooms, outpatient operating rooms, surgical wards, laboratories, etc.
Product parameters：
Product model: 2721
Total length: no less than 285mm
Specifications: 5.5, 6.0, 6.5, 7.0, 7.5, 8.0, 8.5, 9.0
Sampling standard: GB/T 2828.1
