Main Features: -Deck: Dual Post Style -Airflow: Single Channel Under Coil (Adjustable Ring Under Drip Tip) -Wicking: Side Channels -Adaptor: 510 Adaptor Included -Build Compatibility: MTL & Restricted DTL -Resistance Range: 15 - 3.0ohms Includes: 1 x Ultra Boost RBA Deck 1 x 510 Adaptor 1 x Chimney Attachment 2 x Sets of Spare O-Rings 2 x Pre-Wrapped Round-Wire Coils 2 x Spare Post Screws 1 x Allen Key Tool 1 x Organic Cotton