TERP PEN QUARTZ COIL - 5 PACKKeep your Terp Pen running like new by replacing the quartz coil every few months. Depending on your usage we recommend disassembling the Terp Pen once per week and wiping down the internals with isopropyl alcohol. Let air dry after cleaning and perform a burn off per the included instructions prior to use. Our 5 pack of Terp Pen Quartz Coils are made up of high quality quartz which is wrapped with medical grade Clapton wire. The coil is