The concentrate insert, resin cartridge and concentrates for PAX Amazon.co.uk: Pax 3 Concentrate Insert Pax 3 Concentrate Insert Amazon Pax Concentrate Insert Saint Lucia's Smoke Shop Concentrate Insert Replacement Replaces Compatibe with p ax 3 pa x 2 Compatibility Fits for P a x 2 P A X 3 (not for Pax Plus Concentrate Insert: Compatible with Pax 3 Dab Pen Just received my Pax 3 in the mail. Anyone else use this? Do you like it? I've only been doing edibles nightly for years. So this is new to me. Excited to