Features:Tap water with a filter removes a lot of impurities such as rust, red worms, sediment and colloids in the water.Suitable for pre-filtering of household washing machines, removing impurities from water and better cleaning clothes.It contains silicon-phosphorus crystals to effectively remove impurities from water.Laundry is healthier and reduces skin contact sensitivity.It is suitable for the elderly, children, pregnant women, and working people.Specifications:Material: ABS, Copper, Silicon-phosphorus CrystalAmbient Temperature: 2~70CPackaging: CartonSuitable For Caliber: 3/4in (Diameter: 25mm/0.98in)Size:Approx. 67*130mm/2.64*5.12inPackage List:1 * Pre-filter2 * Rubber Ring1 * Instruction ManualNote:Do not use excessive temperatures to avoid damage to the product.Please allow 0-2cm/mm error due to manual measurement. Thanks for your understanding.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard..