iSpring DFW1 LittleWell Faucet Mount Water Filter with Multi-Layer Filtration Media Enjoy clean, great tasting drinking water right from your tap Innovative multi-layer filtration technology removes a wider range of contaminants than the common faucet mount filter Reduces chloride, fluoride, germs, cysts, lead, mercury, lindane, atrazine, VOCs & many other contaminants Washable 0.1 micron ceramic cartridge lasts approximately 300 gallons or 3 months (equivalent to over 2,150 plastic bottles at 16.9Oz) Filter cartridge comes vacuum sealed to preserve freshness Mounts on most kitchen faucets with threads for aerator (not suitable for pull down faucets) Includes a metal faucet adapter for a firm, reliable mount Lifetime tech support at (678) 261-7611 & littlewell@ispringfilter.com