SodaStream 1-Liter Source Carbonating Bottles, 3-Pack, White BPA-FREE / Fits only - Play, Splash, Source, Power, Spirit and Fizzi soda makers 3 x SodaStream PET bottles bundle for Play, Splash, Source, Power, Spirit and Fizzi soda makers (won't fit to other devices) Each refill variety bottle lasts up to 3 years and replaces 2000 bottles and cans Hermetically sealed caps retain carbonation sparkling co2 longer BRAND NEW and 100% SODASTREAM AUTHENTIC. Made from high-strength PET to withstand rigors of carbonation