Take control of the way you vape with the Wasp Nano RDA. This Wasp Nano RDA allows you to build upon its single coil deck, letting you incorporate your favourite single coil design that either you have built or bought. It has a PEI top cap that is durable and soft. The entire unit measures 22 millimeters in size and it sits atop a standard 510 thread connector, allowing it to connect to any battery you want to connect it to. The original coil locking design that it features has allowed the Wasp Nano RDA to make a name for itself in the RDA industryOumier Wasp Nano is popular RDA used by many people all over the world, The OUMIER Wasp Nano features a single coil build deck, PEI top cap with 22mm diameter. The original coil locking design makes it stand out from other atomizers.