Feature: 

1.Used together with a wound drainage tube to establish a drainage pathway, enabling safe drainage of wound exudate. 

2.Available in 4 capacities: 100ml, 150ml, 200ml, and 400ml, which can meet the drainage needs of different clinical scenarios. 

3.Made of medical-grade silicone with good biocompatibility. 

4.Equipped with a built-in one-way valve to prevent backflow of waste fluid and reduce the risk of infection. Size：100/150/200/400ml