Refill Adaptor with Bleed Valve CO2 Adapter TR21-4 to W21.8-14 For Sodastream
CO2 adapter for filling sodastream soda club water sprinkler TR21-4 to W21.8. For easy filling of Sodastream cans with CO2. 1 x CO2 Adapter. Small Thread: 21 4. Thumbscrews are easy to open / close.