The Smok Nfix refillable e-liquid pods are compatible with the Smok Nfix pod kit only. Each pod can be filled with up to 2ml of e-liquid and can be refilled multiple times, making it a more cost-effective option compared to prefilled pods. We recommend filling with a high PG e-liquid that's 50% PG or higher.A secure silicone plug can be removed for quick refilling, even when you're on the go. When replaced it creates a seal that stops leaks from occurring. Each pod is fitted with a 0.8 Ohm coil that's designed to be used at lower wattages. This means you'll experience improved flavour from e-liquids, as well as a discreet level of vapour for mouth to lung vaping.