Proudly announcing the first 2-in-1 vape cartridge and concentrate bubbler, Hamilton Devices KR1. This small lightweight device will surprise you with its super powerful punch!

Whether you want to vape on the go or have a sesh with friends, KR1 is your pal. This dual-purpose bubbler allows you to interchange your favorite 510 thread cartridges or a wax coil.

Hamilton Devices is proud to present our KR1 – the world’s first 2-in-1 vape cartridge and concentrate bubbler. It’s hard to believe looking at its small size that the KR1 packs a powerful punch! This dual-purpose bubbler allows you to interchange between your favorite 510 thread cartridges or a wax coil. It’s perfect for on the go or a sesh with friends!