Aspire BDC Replacement Coil head is the replacement component for the Aspire CE.. These come in 2 resistances: 1.8 and 2.1. Each of the Aspire Kits come with two replacement coil's which are marked on the sides. Standard lifespan of a Clearomizer Head is about 2-3 weeks and does vary depending on usage.
**NOTE: These heads are NOT for the Aspire Nautilus.
Aspire BDC Replacement Coils Specifications: