20-Stage Filtration - Ceramic Balls, Activated carbon, Calcium Sulfite and other filtering materials ensures best effect of water quality purification. 20 shower filter can effectively reduce chlorine, fluoride, heavy metals, rust, sand and other sediment and inhibit the growth of scale in the bathtub. Replaceable - Contains a of 2 filter (One has been installed). A filter can be used by a family of four for about 6-8 months. Essentials For Body Care - Shower head filter removes unpleasant odors & impurities, reduce dry and itchy skin, relieve fatigue quickly, protect the health of skin, hair and nails. Especially suitable for people with sensitive skin, children and pets. Complete Compatibility - Universal shower filter uses standard 1/2 inch(four points) thread type for most homes and can be placed on rain shower heads, fix shower heads and hand showers. ( still confirm the size for installation purchase.) Water Pressure & Easy Installation - High output shower filter 't reduce existing water pressure for an improved rinse. Installation takes only a few minutes and no tools required. We also supply free tape and 2 rubber washers to avoid leakage.Installation is simple and only takes a few minutes. Color: silver Material: ABS Package Contents: 1x Shower Filter 2x Replaceable 2x Washers 1x Tape Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.