Disposable Spiral catheters with handle and plug Specifications :1. Spiral catheters 2. Material: PP/PVC 3. Packing way: 1pcs/ ... , white,orange,blue, all varies of colors is available .Advantages:1.high quality , Made from material non-toxic to sperm; Engineering ... ,avoid shed when insemination. 4.The pipe wall is coated with frosted point,good flexibility and not easy to break. High ...