Qty. 1 2 3 4 5 6 7 8 9 10 Add to Cart Yocan Rex QTC Replacement Coils 5 pack - is currently on backorder. You may still purchase now though and we'll ship as soon as more become available. 5 replacement coils to suit the Yocan REX. Whats in the box? 5 x Quartz Tri Coils (QTC) to suit the Yocan REX *Coils only compatible with the Yocan REX.