Model Number: Wismec INDE DUO Atomizer Key Specifications/Special Features: 1x Atomizer Base2x Atomizer Tube(30&22mm)1x Airflow Control Ring1x Mouthpiece4x Seal Ring3x Hexagon Screw1x Warranty Card1).Thread: 5102).Diameter: 30mm3).Length: 36mm4).Capacity: Drip5).Color: Stainless Steel6).Recommended Battery: Wismec Presa TC100W Mod, SMY 100W BOX, Joye eVic-VTCmini, Eleaf iStick TC 100W MOD, CUBOIDTC BOX 150W,etc.