Drinking water filtration system saw retail sales volume and sales value down by 52.4% and 53.8% respectively at offline channels, up by 43.5% and 12.1% respectively at online channels in Q1 2020, according to China Market Monitor (CMM). Omni-channel retail sales of the category has been down by 10% year-on-year in volume and 43% in value, according to CMM.