Will I need to replace my G Pen Coil?

Last Updated: Jan 28, 2015
Last Updated: Jan 28, 2015
The G Pen Coil has a durability index of approximately 6-8 weeks per average user. The G Pen Coil can be purchased a la carte for $19.95. 

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Email: help@grencoscience.com
Phone: (800) 948-7480
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