Features: 1. Powerful Filtration: It can filter particles that are 1 micron to 5 microns smaller than haze particles, such as scale and various impurities. 2. Durable: PP filter cotton can effectively clean the water source for 2-3 months (varies according to the actual water quality), and it is more durable. 3. Save Time & Efforts: No need to upgrade to a pricey whole house filtration system. Rejuvenate, revitalize & restore balance for glowing, silky and strong hair, skin and nails. 4. ABS Materials: The filter frame is made of ABS materials, which is durable and sturdy enough to ensure corrosion resistance. 5. Easy Installation: No tools required. The standard size makes it can be easily screwed into standard G1/2 inch hose, which is easy to be installed and replaced. Notice: Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement. Material: ABS, PP Size: 7cm in length Battery: no Color/Style: As the picture shown Package List: 5 x Shower Filter Cartridge