These A3 vape cartridges offer tremendous value! These dual quartz coil vape cartridges offer dependability at a reasonable cost. If your oil is thinner choose the 0.9mm oil holes, if your oil is thicker choose the 1.2 or 1.6mm oil holes. A3 Silver Vape Cartridges 0.5ml with 0.9mm, 1.2mm, and 1.6mm oil holes. These cartridges… Continue reading A3 Vape Cartridges – Silver 0.5ml/0.5gram