Bought 3 of these 'cups' for €20 for my PAX3 you can pre-fill and take with you. I was pleasantly suprised by the ease of use and kept the oven clean. :
Pax 3 Special Edition - Complete Kit - Royal Queen Seeds
€238.95 - Netherlands Nederland Holland PAX 3 COMPLETE KIT ONYX BLACK - DRY HERB VAPORIZER -