Check out the VOOPOO DRAG X/S Replacement Pod, featuring a 4.5mL capacity, compatibility with the extensive PnP Coil Series, and is refilled from bottom. These pods are compatible with the Drag S & Drag X Pod Systems

VOOPOO DRAG X/S Replacement Pod Features:
4.5mL Refillable Pod Capacity
Bottom Fill System - Silicone Stoppered
VOOPOO PnP Coil Series
Bottom Press Fit Coil Installation
Magnetic Pod Connection

Make sure to properly prime each coils and pods before use.