1) Different types of tubes, applicable to infant and adult.
2) There is a radiopaque line though the length, clear graduated, 15mm connector and checkvalve in the tube.
3) The wire in the tube is approximate rigidness.
4) Static free design of suction catheter makes the insertion more smoothly.
5) The deleterious gas can emanate completely through medical bag with dialyzed paper, protect hospital staff's safety