... &ISO certificate material:Medical grade PVC EO Sterile F6 to F24 Stomach Tube Made from non-toxic PVC, medical grade.Length ... .Size: F6, F8, F10, F12, F14, F16, F18, F20, F22, F24.Supplied sterile in individual peelable polybag or blister pack.Sterile ... , sterilized by ethylene oxideDisposable F6 ----F24 Stomach Tube Disposable F6 ----F24 Stomach Tube