The Ruzgar is a Brand New Rebuildable Atomizer Tank by Highwind Innovative Designs! Made from 304 Stainless Steel with Quartz Glass. 22mm in diameter with a 510 connection. The Ruzgar is inspired by the Kayfun Atomizer and is Not a Clone or Imitation Atomizer. The Ruzgar comes with an Authenticity Card, certifying that you have received a Genuine Authentic Ruzgar and a guarantee that only High-Quality materials and detailed craftsmanship were used to manufacturer this RBA.