These replacement QDC coils are made for the Yocan Armor Vape Pen. If you're using the Armor, you'll have to replace the quartz dual coil now and then with a new one. You'll know it's time for a replacement coil when your vape pen isn't producing much vapor or flavor. 

This is a 5 pack of Yocan Armor Quartz Dual Coils that are wrapped in stainless steel and designed to produce big clouds of delicious flavor from your concentrates. 

These coils are designed to efficiently vaporize concentrates and are specifically made to function with the Yocan Armor Concentrate Vaporizer. Get your 5-pack today so you can continue enjoying your Yocan Armor without interruption.