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The TEPHRA 1 is a precision machined 303 stainless steel 18650 mechanical mod that incorporates a removeable 6061 billet aluminum sleeve that comes in a multitude of colors for maximum personalization. With its recessed rare earth magnet button and slim top, the Tephra 1 is a truly sleek and stylish high performance mod that's a perfect fit for vapers of all experience levels.


The TEPHRA 1 Mechanical Mod by VOLCANO is as elegant as it is powerful. Designed in Hawaii, it is machined out of high quality 303-stainless steel and comes standard with a black interchangeable 6061-billet aluminum sleeve.

Built to accommodate an 18650 battery, its copper contacts have been engineered to minimize voltage drop, designed with with changeable sleeves to allow you to change the look and style of your mod in seconds to suit your desires for the day.

Its revolutionary recessed rare earth magnet-firing button gives an effortless feel to the mod’s activation. The grid-like accents on the anodized aluminum sleeve affords users perfect grip while handling the TEPHRA. The top cap and battery cap are made from stainless steel with the top cap featuring built-in airflow channels for increased airflow into the RDA that is used.

Engraved into the sturdy stainless steel body of the TEPHRA is the VOLCANO logo and on the direct opposite side is the individual serial number of the device.

There was no compromising on the components of the TEPHRA 1 to ensure a high quality long lasting and reliable device. The expertly engineered makeup of the TEPHRA mechanical mod will surely maximize the flavor and vapor production of your RDA without sacrificing one for the other.


  • 100% Designed in the USA
  • Precision Machined 303 Stainless Steel Core
  • Interchangeable 6061 Billet Aluminum Sleeve
  • Recessed Rare Earth Magnet Fire Button
  • 18650 Battery Compatibility
  • Copper Connections
  • Changeable outer sleeves in a multitude of colors perfect for personalization
  • Affordable and hard-hitting

Tech Specs:

  • Diameter: 22.5mm
  • Height: 94.38mm
  • Threading: 510
  • Available Colors: Black (standard with changeable sleeves)
  • Material: 303 Stainless Steel
  • Sleeve Material: 6061 Billet Aluminum

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