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.
KR1 2in1 Cardridge + Concentrate Vaporizer & Bubbler
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