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520 TANK

The 520 Tank is an RBA and a bridge from CTHULHU MOD. This unique setup offers an RBA by default, but also comes with a PnP and Nautilus adapter. It is specially designed to reduce L-shaped airflow effect.

The 520 tank has a 4.2ml capacity.

It comes with the following airflow Pins: 0.8mm, 1.0mm, 1.5mm,2.0mm,2.5mm,3.5mm, 4.5mm(without air pin)

For more information, check out their website or their Facebook group.

As you can see below, the 520 tank serves as a multifunction tank, an RBA and there are 2 adapters for premade coils, PnP and Nautilus.

Videos: 520 Tank

Photos: 520 Tank

2 reviews for 520 Tank

3.5 out of 5
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  1. Matthew Haggerty

    So far I’ve only used it with a pnp coil and wasn’t that impressed. It is a tight fit in a Rev.4c BB and coil would not read. Popped it into a Cthulhu and worked fine. Finished the coil, removed boro and the back was covered in juice. Could possibly be user error/sloppy refilling. will give another go with different coil in a BB before trying Rba bridge.

    + PROS: Airflow options w/inserts from slightly restricted DL to MTL Pnp coil adapter Price
    - CONS: Tight fit in Rev .4 Possible contact issues when used in BBV Possible leaky seals
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  2. Cindy C

    Just received the Cthulu 520 tank and I am really enjoying the rebuildable part. The airflow (3.0 airflow pin) and flavor are excellent. I am surely going to try the pnp and nautilus adaptors soon, but I prefer using my own coils. One caveat about VaporDNA-I ordered the 520 as a birthday gift to myself and noted that on my order. I received gifts from VaporDNA in my shipping package, with a written note, and I want to say thank you. It was a joyful surprise.

    + PROS: It is awesome for MTL, and even Better for DL
    - CONS: Finding the right coil placement is key for flavor.
    Helpful(2) Unhelpful(0)You have already voted this

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