Ceramic Replacement Cartridge for LittleWell Faucet Mount Water Filters DFC1, DFW1, DFW2 Ceramic replacement cartridge (DF-CERAMIC) for LittleWell faucet mount filters DFC1, DFW1, DFW2 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 Lifetime tech support at (678) 261-7611 & littlewell@ispringfilter.com