How could you go wrong purchasing a rig blown by the inventor of the recycler? We want you to experience what a quality rig from Hamm's Waterworks hits like. Hamm's vapor rigs have won competitions ranging from the Cannabis Cup to the CHAMPS Glass Games gaining respect throughout the cannabis and glass community. The Exo-Diffy system featured in Hamm'€™s rigs was created after years of hard work, resulting in an amazing piece that separates and projects the airstream for maximum cooling and filtration. Choose from a collection of functional glass art that comes in a variety of bright and vibrant colors like slyme, lavender, and yellow!