Summit Research original designs and patents are the LEGACY series short path distillation heads. Summit Research LEGACY series heads are the very first custom heads manufactured on the market, longest manufactured series in our industry; highest potency and efficiency obtainable in these sizes. Still to this day these heads under proper operating conditions and preparatory work will out pace and exceed performance characteristics of any competitor head on the market. The unique and #genuineSPD product leads the industry as the TWO most copied and counterfeited heads ever produced. The original SPD LEGACY series heads set the standard for the competition. There is a reason why you see every manufacturer try and copy this series; with quality and function that rivals all copies. These heads set the standard for high potency, vibrant colors, and perfect operational characteristics with supplemental patents for the design and key/method process.

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