PAX Concentrate Insert Replacement Lid & O-Rings. These parts are essential for your PAX 3 to run smoothly and will guarantee an airtight seal. These are official Pax lab products, meaning what you get here is exactly what you would get from PAX.
This product is an extra or a replacement for your PAX 3 concentrate insert.
You do not want one of these breakings and not have a backup so why not get a 5 pack.
Note: Compatible with PAX 3 Vaporizer!