GasUp 2 Bottles (500ml + 300ml) - Black | 04170603GasUp Double Bottle 500+300 ml Versatile PET Bottles for Your Carbonator Enjoy sparkling water anywhere with the GasUp Double Bottle 500+300 ml, now available at Keans Claremorris. This handy set includes two reusable bottles in different sizes, giving you flexibility whether at home, at work, or on the go. Key Features Two Convenient Sizes A 500 ml bottle for longer refreshment breaks and a 300 ml bottle thats perfect for smaller servings, kids, or