Smok TF-D Subtank
The SMOK TF-D Subtank is a robust, high-performance sub-ohm tank designed for cloud enthusiasts and flavor chasers. Built with a focus on durability and leak-resistance, it features a top-to-bottom airflow system that prevents e-liquid from escaping through the air slots. It is the flagship tank often paired with the SMOK D-Barrel and other high-wattage mods, utilizing the advanced D-Series coils to deliver a premium direct-to-lung (DTL) experience.
Core Features
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Leak-Proof Design: The top-mounted airflow intake forces air down through the coil and back up, creating a sealed bottom chamber to eliminate common leaking issues.
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Top-Fill System: Features a convenient “press-and-slide” top cap, allowing for quick refills without removing the tank from your mod.
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High Capacity: Equipped with a bulb glass tube that typically holds 5ml of e-liquid (TPD versions are restricted to 2ml).
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D-Series Coil Compatibility: Utilizes the new hexagonal-structure mesh coils designed for faster heating and more efficient wicking.
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Standard 510 Connection: Stainless steel construction with a gold-plated 510 pin for maximum conductivity.
Compatible Coils (D-Series)
| Coil Type | Resistance | Recommended Wattage | Vaping Style |
| D-Mesh 0.15Ω | 0.15 ohm | 60W – 80W | Intense clouds / Fast ramp-up |
| D-Mesh 0.23Ω | 0.23 ohm | 45W – 55W | Smooth flavor / Balanced |
| D-Dual 0.4Ω | 0.4 ohm | 25W – 35W | Restricted DTL / Conservative |
Quick Start Guide
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Prime the Coil: Before installing, drip e-liquid onto the exposed cotton on the sides and inside of the D-Series coil.
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Assembly: Screw the coil firmly into the base, then attach the glass tube and top section.
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Filling: Slide the top cap open, fill the tank, and let it sit for 10 minutes to ensure the mesh is fully saturated.
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Airflow Adjustment: Rotate the top ring to open or close the air slots to your preference.
Warning:
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Priming is Mandatory: Mesh coils have a high surface area; firing them “dry” will cause an immediate, permanent burnt taste.
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High-VG Liquid: This tank is designed for 70/30 VG/PG or higher e-liquids. Using thin liquids (like high-strength nicotine salts) may cause oversaturation and “spit-back.”
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Battery Safety: Ensure your mod’s batteries are in good condition and capable of handling the high-amp draw required for 60W–80W vaping.
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Glass Handling: While the tank is made of Pyrex, it can crack if dropped. Always use the provided silicone vape band for extra protection.
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Adult Use Only: Strictly for adults 21+. Keep out of reach of children and pets.
Note: To keep the TF-D Subtank performing at its peak, clean the chimney and drip tip weekly with warm water to remove condensation buildup. When changing coils, check the O-rings for any signs of wear or pinching. If you experience a “Check Atomizer” error on your mod, ensure the coil is screwed tightly into the base and that the 510 pin on the bottom of the tank is clean.