All-New Heating Technology  Meet CCELL EVO, an enhanced and optimized heating technology expertly crafted to provide a premium sensory experience that will satisfy your cravings for authentic flavors, larger clouds, and maximum consistency. Specifications: Medical-grade Stainless Steel Center Post BPA-free Thermoplastic body Tank Volume: 1.0ml/0.5ml Resistance: 1.4Ω Press Fit Mouthpiece: Arbor Press or Capping Machine needed – cannot be closed by hand Connector: 510 Thread Dimension 1.0ml: 10.5(D) x 67.9(H)mm 0.5ml: 10.5(D) x 57.4(H)mm Aperture Inlet: 4 x Ф2mm Various Mouthpieces Are Available, please Contact Us for Details.