Designed specifically for the Eleaf iWu All-In-One Starter Kit,is the refillable ELEAFiWu Replacement Cartridge now available separately. Although the iWu starter kit includes two cartridges, this devices innovative design and satisfying power will keep you at it long after those cartridges have been worn down. Each one of these cartridges contains a 1.3 ohm Kanthal coil made to deliver a consistent low wattage mouth to lung vape. The coil head includes 100% Organic Cotton Fiber for optimal wicking with nicotine salt infused e-liquids. Your favorite nicotine salt e-juice flavors can be poured into a leak-free side filling method with a Silicone stopper to minimize messes. In compliance with TPD regulations, these cartridges can hold up to 2mL of e-liquid within the built in reservoir. To keep each draw crisp and refreshing with your iWu Starter Kit, pick up the Eleaf iWu Replacement Cartridge.