The FROST 3SOFT includes three stages of water purification:

• Stage 1: Aqua Filter AIPRO polypropylene filter. Removes sediments such as sand, mud, rust, and suspended solids. It is installed in compact systems and reverse osmosis systems. Connects with a 6.3mm diameter tube. Available sizes: 2"x10". Available micron: 5. Operating Temperature: 2°C - 45°C.
• Stage 2: AISTRO 2"x10" in-line water softening cartridge - 1/4". Reduces water hardness using the ion exchange method. Available size: 2"x10". Operating Temperature: 2°C - 45°C.
• Stage 3: In-line Active Carbon Pre-filter AICRO by Aqua Filter, dimensions 10"x2". Provides protection against chlorine, pesticides, and other organic pollutants. Used as a carbon filter in water coolers and as the final stage in reverse osmosis systems.