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Devices, Clearomizers

Protank v4 Subtank

Protank v4 Subohm Tank, Adjustable Airflow, RBA

The next generation of Protank is here and uses all of the past features and improvements of the Protank, Subtank and Toptank series. The Protank 4 is designed for both cloud chasing and mouth to lung users. The Protank 4 features a large 5 ml ejuice capacity tank made of Pyrex with stainless steel construction. The Protank 4 features new improvements such as the convenient twist side fill option for easy e-Liquid refills. The Protank 4 also has a symmetric airflow valve and an adjustable airflow drip tip for maximum vapor production and flavor.

The Protank 4 uses SSOCC coil heads. The included Ceramic SSOCC 0.5 ohm coil is designed for a direct lung vaping experience and produces great flavor and vapor. The included Nichrome SSOCC 1.5 ohm coil head has a tighter draw and is designed for a mouth to lung vaping experience. There is also an RBA velocity style dual post deck. The RBA has a larger build deck and improved airflow for easy builds. The included RBA has a prebuilt 0.3 ohm coil (2 x Clapton coil 0.6 ohm in parallel).


  • 1 Protank v4
  • 1x Ceramic Coil
  • 1x SSOCC Replacement Coil
  • Organic Cotton
  • 1x RBA Deck
  • 2x Replacement Clapton Coils
  • User Manual
  • Compatible with most devices that use 510 threading
  • Replacement Coils are available here

Specifications: Diameter 22mm, Length 65mm (w/drip tip), Threading 510

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Price $22.49

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