Type A offers a large, coil-less quartz chamber, providing a smooth and even draw for a pure flavor and large vapor clouds. The large surface area and 360-degree airflow means you'll spend more time puffing and less time reloading. To ensure the best results, place the concentrate in the middle of the quartz plate in the coil. Use small micro dabs to prevent melting wax from bubbling over the sides and clogging the coils.