Based on this product's specifications, here are some alternatives and similar models
Soda maker Sage InFizz Fusion Stainless Steel Black — 1 L carbonating bottle, stainless steel housing
Summary description:
Sage InFizz Fusion is a countertop soda maker with stainless steel housing in black finish. It includes a 1 L carbonating bottle and is easy to use for preparing sparkling water and homemade soft drinks. Compact dimensions (430 × 153 × 262 mm) and 3.57 kg weight make it suitable for home kitchens, offering convenient carbonation without complex setup.