... :medical grade PVC; 2.Size:300ml,500ml etc; 3.Model:common type,anti-reflux flutter type,male type;Product Name: Disposable Urine ... :screw valve, T valve, push-pull valveProduct Model:Type A ( common type), type B (anti-reflux flutter type ), type C ( male type ... with damaged package; 3. The asepsis term of validity is two years, prohibit the use of expired products; 4. Should be ...