SMOK TF-D Subtank Sub Ohm Tank is a lightweight yet powerful sub-ohm tank for decent DTL vaping. Its can holding 5.5ml vape juice. compatible with SMOK D-Coil Series that is designed with hexagon-structure dual meshed heating wire for double performance and enhancing DTL style vaping. With the double top design (Top Airflow and Top Filling), the TF-D Sub Ohm Tank prevents potential e-juice leaks efficiently. Features: 1. Compatible with D-COIL series 2. Designed to enhance DTL vaping 3. Top filling & top airflow design 4. Leak-proof & skid-proof design 5. 5.5ml capacity Brand: SMOK Size: 53*25.2mm Capacity: 5.5ml Thread: 510 Filling Type: Top filling Airflow: Top airflow Fit For: D-Coil Series Mesh 0.15ohm:(55-65W;Best 60W; DL) Mesh 0.23ohm:(45-55W;Best 50W; DL) Mesh 0.4ohm:(25-35W;Best 25W; RDL/DL) Each set contain: 1pc TF-D SubTank 5.5ml 1pc D-Coil (Meshed 0.15ohm, Pre-installed) 1pc D-Coil (Meshed 0.23ohm) 1pc Spare Glass Tube 1pc User Manual