8EA Premium Replacement Water Filter 1 Year Set for FreshWater : FW-220S/ FW-3200/ FW-320S/ FW-330S/ FW-3700S - 1 micron

Caution: Before drinking the water please make sure to flush water thoroughly to ensure that the air is discharged. It is a process of removing carbon powder (charcoal powder) from the filter manufacturing process. Please let the water flow for around 2 minutes (4 liters). Repeat with each filter.

• 1st filter 4 EA : Sediment Filter 4 EA (3-4 months) removes fine impurities of 1 micron including rust, soil, sand and dust. The carbon block absorbs and removes residual chlorine and various organic compounds to maximize the initial water purification effect.
• 2nd filter 2 EA : Pre-Carbon 2 EA (6-8 months) removes organic compounds and odors by using the adsorption method of activated carbon to create water close to nature.
• 3rd filter 1 EA : UF Membrane Filter 1EA (12-16 months) is 0.1-0.4 micron filter with a function of filtering only impurities left in the water and passing only clean water containing natural minerals.
• 4th filter 1 EA : Post-Carbon filter 1 EA (9-12 months) uses carbon as a raw material to improve water quality and improve water taste.