H2O

 The Comp Lyfe H2o | 18650

• Uniquely machined 24mm tube
• Fixed 510 hybrid top machined for enhanced conductivity
• 4 vent holes
• Recessed button will rest on the housing instead of the bottom
• Peak insulator for battery safety
• Button uses magnets option to upgrade to other magnet strengths
• All tubes come with an authenticity card and a Comp Lyfe Bag. Bag colors are chosen at random.

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Copper | 18650 (see description)

These copper H2o's appear flawless, but they didn't quite pass our QC standards. They have a very faint blemish either on the tube or near the 510.