The Boundless CFC 2.0 doesn’t just fit in your pocket. It also powers your water pipe with this adapter! This Boundless CFC 2.0 Water Pipe Adapter (WPA) is tapered to fit both 14mm and 18mm connections. Just replace the original mouthpiece with this WPA, turn it on, and put it in your bubbler’s downstem. Boundless vaporizers are known for their strong vapor and generous pricing. Have fun shopping our full line of Boundless Accessories, that can add new dimensions to your vape routine!