The Ooze Slim Twist Vaporizer Battery is a discreet and powerful vape pen battery that is compatible with virtually all pre-filled oil, extract, essential oil, and cannabis cartridges. They are super classy and clean. an Ooze pen is the perfect finishing touch to any outfit. Ooze pens work with most cartridges Spliff Nation offers except Stiiizy carts. Now available at Spliff Nation Dispensaries in Washington DC.