This adapter will let you refill Sodastream tanks with any full sized C02 tank. Save money over separate cylinder prices.
How To: Cheap Homemade Seltzer with a Modified Sodastream - Frugalwoods
Sodastream Bulk Fill Adapter
Co2 Sparkling Water Maker Fizzy Drink Carbonator Cylinder Canister Bottle Refill Adapter Charger Fill Station for Sodastream
Fill Station Adapter for Soda Maker Co2 Bottle/Carbonator – Palmers Pursuit Shop
SodaStream Cylinder Refilling Adapter
SodaStream Bottle Adaptor for Standard CO2 Regulator
NEW SodaStream SodaClub Cylinder CO2 Refill Station Adaptor With Hose On/Off Adapter and W21.8 14(DI
Sodastream Cylinder Filling Adapter (filling station)
Soda Stream SodaStream Co2 Cylinder Tank Refill Adapter Adaptor Filling Station
Sodastream Cylinder Adaptor for Filling