Being supported by an advanced and professional IT team, we could offer technical support on pre-sales & after-sales service for 1/2″ NPT X 1/4” Bard Inline Diffusion Stone, H2 Leak Detector , Ozone Diffuser , Stainless Steel Filter Element ,Small Brew Kit . We welcome new and old clients from all walks of lifestyle to speak to us for potential organization relationships and mutual success! The product will supply to all over the world, such as Europe, America, Australia,Johannesburg , Czech republic ,Ghana , UK .We have advanced production technology, and pursuit innovative in products. At the same time, the good service has enhanced the good reputation. We believe that as long as you understand our product, you must be willing to become partners with us. Looking forward to your inquiry.