hemper a-dab-ter | silicone vape pen adapter for water pipes | round & flat tips (purple) hemper been waiting for a way to connect your favorite vaporizer pen to your favorite waterpipe? the hemper a-dab-ter is here! get the biggest rips out of your pens by using our universal silicone a-dab-ter to create the perfect seal between your vape pen mouthpiece and the joint on your favorite rig or bong. simply attach your pen, plug the joint, and voila – massive, flavor-rich clouds like you've never experienced from a pen before. specs: 100% medical grade silicone non-stick & heat resistant easy to clean durable and made to last! includes: (1) hemper a-dab-ter