Although the package displays "x2" for included filters and identifies the manufacturer as Shenzhen Lesongge Technology Co., Ltd..It lists the company address in the Nanshan District of Shenzhen.
It is only "1" in the package...
According to AI...
Item Description: Cartridge Filter Panels for G...o P1 140 μ Density (typically corresponding to "Ultra-Fine" mesh filtration for capturing very small particles like sand, silt, and algae).
