Hi Seller,We are a trading company based in UK. We are interested in your Refrigerant Gas R134a with disposable cylinders, so we contact you through Alibaba.We kindly ask you to send us the informations about the product of the followings specifications:Classification,EINECS No.,Weight ( kg ) ,What options/features do you have for the product?We would be very grateful if you would contact us.Best RegardsDavidDavid Stead Show More