Specifications & Features: -Size: 28 x 44.5mm -Capacity: 6.2ml -Thread: 510 -Dual Diffusion Airflow System -Top Filling System -272 Degree Airflow -Elevated Metal Backed Airflow Posts -Strengthened AFC Ring & Base -Improved Cotton Well Design -Continues the original honeycomb air ring The Box includes: 1 x Blotto MAX RTA 1 x Glass Bubble Tube 1 x PCTG Bubble Tube 1 x Accessory Bag 1 x User Manual 1 x Bottle Opener