Hello, Samuel.

We have the latest 2021 Premium Edition/International model at this time.
Lourdes Hydrofix complete set comes with one cartridge installed, the inhalation set with a cannula, so you do not need any additional items to start using the product.
Additional accessories recommended are: H2 Bag to take your H2 water with you on the go, and the additional Cannula IF you would like to share inhalation with another person.
(One inhalation cannula comes with the complete set)

Lourdes Hydrofix Premium Edition '21 Complete Set is $2,399.95 + S&H, Additional Premium H2 Cannula 2m long is $79.99, and H2 Bag 1L is $28.99.
If you have more questions, please reach us via email (info@holyhydrogen.com) or give us a call (971-266-0883)
Thank you!