Tap water with a filter can remove a large number of impurities such as rust, sediment and colloids in the water. It is suitable for pre-filtration of household washing machines to remove impurities in water and wash clothes better. Can effectively remove impurities in water. Laundry is healthier and reduces skin contact sensitivity. Suitable for the elderly, children, pregnant women, office workers.Material: ABS shell, stainless steel filter elementstainless steel filterABS transparent shellABS screw capFilter: 40umFilter material: 304 stainless steel filterApplicable diameter: 1/2"|4 points|20mmMulti-scene use: toilet/sink/washing machine/faucet/gas/water heater, etc.packing list:Pre-filter*1