4. Remove the silicone ring from the mucus basin.
5. Wash all 4 parts in warm soapy water and then clean them
with steam or boiling water.
6. Assemble all the parts as shown below:
7. Be sure all the parts fit tightly together and line up the
indication marks.
If you find mucus over the collar tap, please follow below instructions:
1. Please use attached cleaning tube. Put the cleaning
tube to the suction hole.