CO2 Cylinder Refill Adapter Self-Made Gas Cylinder Regulator M10X1 To W218-14 Adapter For Argon CO2 Mixed Gas Durable Silver _x000D_ Welcome to our store. Our products have affordable prices and good quality. We support and . If you want to work with us for a long time, please contact us and we will give you a very favorable price.Best Regards! _x000D_ _x000D_ Description: With this device, you can connect 1L, 2L cylinders such as CO2, Argon, Mix cylinders to your existing aquarium fish CO2 tank regulator. _x000D_ Made of high quality aluminium material, sturdy, durable and long service life. _x000D_ Small and lightweight, easy to carry and store, convenient to use. _x000D_ Purpose: Connect to M10 gas cylinder to open and close the gas. _x000D_ Specification: _x000D_ Item type: CO2 cylinder adapter. _x000D_ Model: M10X1 to W21.8-14(DIN477) _x000D_ Note: W21.8-14 interface is only suitable for Europe, South Korea, Australia, and New Zealand. _x000D_ When placing an order, please be neutral and do not label. _x000D_ Material: aluminum _x000D_ colour: silver / Black _x000D_ _x000D_ Package Contents: _x000D_ 1 x CO2 Cylinder Adapter _x000D_ _x000D_ Only the above package content, other products are not included. _x000D_ Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_