Vietnamese 3-stage filter set

Description: Filter set (first stage – second – third) - First stage: consists of a cotton candle made of polypropylene material that purifies up to 5 microns and works to remove solid impurities and dust such as sand and algae. - Second stage: made of thermally activated carbon that works to remove dissolved gases and treat water from unwanted substances such as chlorine, taste, and odor. - Third stage: made of solid carbon with 1-micron pores that works to remove the smallest impurities before entering the next stage. Industry: (Vietnamese)