The Eleaf - EC-M Head replacement coils are a great addition to your vaping experience. If you aren't a vaping veteran, be sure to slowly increase the wattage when you add these to your device. By slowly increasing the wattage, you will help to break in these coils and ensure that they don't burn out right away. If you're looking for the best prices available for this product, then no need to look anywhere else, you found it! Enjoy your new high quality coils and remember to be safe around products you aren't too familiar with.