Ozone and Plastics

Sme plastics do not work well with ozone -

https://www.craftechind.com/top-8-ozone-safe-plastics/#:~:text=8)%20Polyethylene%20(PE)%3A%20Polyethylene,use%20in%20an%20ozone%20environment.

Polyethylene has a B rating (good) in water, and C (fair, not recommended) in air.

This reference says HDPE is A with ozone - [1]