Dual filter device

"A 2-stage water filtration system (1/2 inch size) that protects electrical appliances such as washing machines, dishwashers, and water heaters, and can also be installed in water coolers. It removes solid impurities such as dust, algae, and rust, and treats unwanted substances like odors. Filtration stages: Cotton filter stage: made of polypropylene with a filtration efficiency of up to 5 microns, removing impurities, sediments, and dust to improve water quality. Carbon filter stage: used again to filter up to 5 microns, enhancing removal efficiency and improving water purity."