Amazon.com: SodaStream 0.5L Slim Black Carbonating Bottles (Pack of 2): Home & Kitchen
SodaStream White Carbonating Bottles (Set of 4) 1100317010 - The Home Depot
SodaStream 1 Liter Source Carbonating Bottle Single, Metal - Walmart.com
SodaStream Twin Bottles - Black, 1 L
Amazon.com: Sodastream Source 2 Pack Original White Carbonating Reusable Water Bottles 1 Liter BPA-Free Fits Only - Play, Source, Power, Spirit and Fizzi Soda Makers : Home & Kitchen