Total capacity is 2.4 litres. Capacity of filtered water - up to 1.4 litres. Cartridge replacement indicator. Includes 1 MAXTRA cartridge. Designed to fit in fridge door. Dishwasher safe (excluding lid). Easy to use lid. MAXTRA cartridge: 1 cartridge - 1 month supply. Ring pull handles for easy removal. No pre-soaking required. Suitable for all water types. MAXTRA cartridges are 100% recyclable.