The Bubble RDA has a three square post design with some pretty hefty post holes. This thing will be able to hold any build you can throw at it. There are 4 air holes on each side in a curved shape with each hole being a different size. I’m guessing this is where the name comes from since they kinda look like bubbles. The airflow is adjustable should you find the need to use it. The wide bore drip tip has an inner diameter of 12.4mm and threads onto the top cap so using your own drip tip isn’t an option with this one.

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