Grav Labs 14mm Pre-Mix Helix Chamber Retail Its temperature control and ease

Its temperature control and ease of use will make the Evo your everyday concentrate rig

Body Diameter: 50mm

but it still packs the same kind of punch you'd expect from a gravity water pipe

Ceramic Tip

This Skilletools Master Kits include 6 of there most popular tools conveniently packed in a nice hard shell wallet

Grav Labs 14mm Pre-Mix Helix Chamber Retail Its temperature control and easeThe Helix Pre Mix Chamber is 3" long and made on 19mm tubing. Its Venturi chamber features three air intake holes that cool and spin smoke before it enters a water pipe. The pre mix chamber is designed for use with 14mm female jointed water pipes and 14mm male accessories.