Tube made from Medical grade materials, good biocompatibility, and the lower adverse reaction of the patient . Transparent tube allows identification for condensation. Certified with: ISO, CE Length:45+/-2cm Size:Fr4,F6,F8,F10,F12,F14,F16,F18,F20,F22 Sterilized by EO OEM is welcome1. Material: Made of medical grade non-toxic PVC; 2. Specification: Fr4, Fr6, Fr8, Fr10 Fr12, Fr14, Fr16, Fr18, Fr20; F22 3. EO gas sterilized; 4. Surface treatment: with transparent tube and frosted tube; 5. Type connector: Color-code connector for identification of different sizes, with connectors of airplane type, finger control type and funnel type; 6. Length: 50cm; 7. Package: PE bag or Paper-poly pouch 8. Perfectly smooth side eyes and opened distal end for less hurt to esophageal mucosa;1. For single use only, Prohibited to re-use 2. sterilized by ethylene oxide do not use if the packing is damaged or open 3.Store under shady,cool,dry,ventilated and clean condtion.   1. For all your inquires about us or our suction catheter,we will reply you in detail  within 24 hours . 2.We own well- tranied  and  passional sale  & after- sale service who can speak English language  3.We offer OEM services. Can print your own logo on suction catheter can customizd the retail box packing and other thing 4.We have very experienced engineers ,can help you better use suction catheter 1.Professional manufacture with advanced facility 2.Factory price with best quality 3.Accept custom order 4.Offer OEM service 5.Fast service and on-time delivery