GLACIER FRESH Replacement for Culligan FM-15RA Compatible FM-25R Faucet Mount Replacement Filter Polished Stainless Steel Housing Made in USA and Imported Powerful Big Block&trade; Filtration Technology for Superior Contaminant Reduction & Taste (including &gt;99% LEAD reduction!) 1,000 GALLON Rated Capacity (For most households, that's ONE cartridge per YEAR!) Tested & Certified by NSF International - NSF/ANSI Standards 42 and 53 Intelligent Monitor&trade; (No cartridge guesswork!) & Stainless Steel Construction System Includes Premium Designer Faucet (with built-in monitor LEDs) & LIFETIME Warranty!