Color: C- Silver2- Filtered Swivel Aerator Newest Designed Sink Water Filter The CECEFIN faucet water filter helps to remove impurities and other harmful substances larger than 1 microns, soften your hard water, which improve water quality to keep your family healthy lifestyle, especially what the elderly, women and children. Meanwhile, including 6pcs white water purifier + 3pcs carbon fiber filter cartridges is better for multiple replacements. TDS is not a professional water quality measurement indicator. This system doesn't remove essential minerals, so it doesn't lower TDS. 1080 Degree Rotating Filter Faucet Aerator CECEFIN Water faucet filter attachment aerator with free swivel per joints, sealed joint will perfect avoid leaking. 360 degree swivel aerator convenient for clean every corner of the sink and hair face washing, it is a great eyewash station. Fold-able spray aerator easy to storage and take small space. 2-Mode Outlet & Space-saving Sink Tap Extender Simply rotate rubber ring on aerator to switch bubble outlet to power shower mode, fast rinsing off stains on surface of fruits and vegetables. Non-slip design makes operation easier, even with bubbles on your hands. Ball joint on aerator also allows you to change directions quickly. Foldable robotic arm requires small space, won t be a big clumsy/immovable obstacle in sink. Max Flow Rate:1.2 gpm/min, meet California Energy Commission Premium Brass & ABS Material CECEFIN faucet extender is made of superior brass connectors & arm, ABS aerator body, rotatable faucet aerator has smooth surface and chrome-plated, which can withstand water pressure changes and daily rust. Three-layer splash filter inside of aerator to remove impurities, rinse your mouth directly, more convenient and hygiene Easy Installations Compatible with most bath room/ kitchen/ laundry sink faucets. CECEFIN sink water filter extender provides 2 sizes for connection: female 55/64 -27T(22mm), male 15/16 (24mm). CECEFIN provides 7x24h buyer support and after-sales service Replacement Cartridge Search B0C5HWVXPV on Amazon to find more carbon filter cartridges replacement Search B0BRP4D3SP on Amazon to find more 1um white filter cartridges replacement Important note: 1, The actual lifespan of the filter cartridge depends on the quality of your tap water. In areas with poor water quality, the filter cartridge may need to be replaced more frequently (possibly as often as every 1-2 weeks), which is an indication that the filter is working effectively. 2, The grey carbon fiber filter provides additional removal of odors and chlorine in water. Therefore it will slight decrease the water pressure. (Mainly depends on the original water flow pressure of you faucet).