From the Manufacturer
The Culligan FM-15A faucet mount filter kit is compact and mounts directly onto your existing faucets with no tools in seconds. The filter switches easily from unfiltered to filtered water by simply pulling the diverter valve stem to provide a simple solution for healthier and cleaner drinking water. The Culligan FM-15A filter reduces cryptosporidium, giardia cysts, lead, chlorine, and other bad tastes and odors. The Culligan FM-15A has a 200 gallon water filter life and has a 2-year warranty. This faucet filter is NSF internationally certified.
No more turning up your nose (or plugging it) at the thought of tap water. Attach this filter to your faucet for clean drinking water at your fingertips without buying—just to later recycle—all of those plastic bottles. While improving your water's taste and smell, this filter reduces lead, sediment, chlorine taste/odor, cryptosporidium, giardia and more. Life of filter cartridge FM 15R: up to 2 months/200 gallons. Imported. 5-1/2Hx3-1/2" dia. Adaptors included fit most aerator faucets. Please see install guide for detailed explanation.