DESIRE - VAPE MAD DOG GTA TANKDesire Vape Mad Dog GTA Desire Vape's Mad Dog GTA is a 25mm, threaded top fill, gravity tank style atomizer with a two post, clamp style build deck and is capable of holding up to 3. 5ml of E Liquid. The Mad Dog GTA's top cap is a threaded ULTEM chuff cap with a 9mm wide bore drip tip built in and when unthreaded, exposes two large fill ports. The Mad Dog GTA utilizes a two post, clamp style build deck with single terminals per post. Each terminal has