Warranty : The BB9 warranty extends only to damage during shipping. If your BB9 arrives broken or damaged, you must reach out to us within 48 hours of receiving the items to receive a replacement. After 48 hours of receipt, no replacements will be offered.
Learn more about DynaVap with our article : DynaVap : Vaping Battery-Free
Kevin Willemse (verified owner)
It looks great and does a better job at cooling vapor than the stock Dynavap M 2020 stem. It does get sticky inside pretty quickly, keeping the beads from moving around.