1is a corrugated aerosol tubing, PVC acetate respirator tubing. 48” only. It is shown in the attachment.

The other type we require can be seen below.

We require　the two different types, one known as smooth bore, and the other cuffed which is most commonly seen in hospitals as breathing tubes. It is a milky white while the smooth bore is clear.　The attachment shows how the tube looks on the ends, and the image below shows it coiled up.