Aspire Bottom Vertical Coil (BVC) 5-Pack by Aspire The Aspire BDC Coils are replacement atomizers for your Aspire related clearomizers and tanks. The coil resistance is a 2.1ohm ratings. These are the 2 hole replacements that include 5 pieces. Compatibility: Mini Nova BDC Vivi Nova BDC Vivi Nova-S BDC ET BDC ET-S BDC Maxi BDC CE5 BDC CE5-S BDC Includes 5 coil heads that can be easily changed on your tank system. Note: These coil heads will not fit for the Aspire T3 BDC Clearomizer