Refilling Adapter for SodaStream Quick Connect Cylinder to W21.8 CGA320 CO2 Tank

Refilling Adapter for SodaStream Quick Connect Cylinder to W21.8 CGA320 CO2 TankDescription*Easier for you to refill your pink quick connect cylinder from your donor CO2tank at home.Sodastream machine like some brand DUO TERRA ART CRYSTAL 3.0 GAIA and so on use the pink quick connect cylinder.There have 2 different connectors(gold nut) on our charging adapter to fit donor CO2 tank:W21.8-14RHand CGA320 please confirm the correct one refer to the measurement details below:Please note tips before your refilling:1.Keep pink cylinder empty and Cool the pink cylinder in the freezer for 1 hourto make more filling.2.Don’tuse the CO2 tank as donorwhich has residual pressure valve,or else order an extra "RPV valve" adapter if you want to refill.3.Because the situation in each country is different, some donorCO2tankdo not have siphon tubes, so you need to turn it upside down before the gas can come out. Please consult the local gas sales company!4.Very Carefully turn handle-wheel of the donor gas tank.Try to open its valve bit by bit. Or else the pink cylinder will be closed and can not fill any more because of too much gas enter.How to work?1.Screwour fillingadapter to a donor CO2 tank with wrench.2.Insert the pink cylinder into ring of the charging adapter(see the video).3.Very Carefully turn the handle-wheel of the donor gas tank.You will hear the his noise of gasgoing to pink cylinder.4.After about 15-20 sec.,there is no noise of gas any more.The cylinder is completely filled.5.Close valve of the donor gas tank.6.Opening the bleed screw to drain residue remaining gasand complete the filling.