Swift Green Filters SGF-ZS48 Refrigerator Water Filter N/A Imported Provides clean, high-quality, great-tasting water Free of arsenic, Lead & bpa Filter applications: sediment, dirt & rust, chlorine taste & odor, 95% Lead, 99% cysts, 95% turbidity, 95% asbestos, 95% atrazine & 95% mercury Gold seal wqa certified Meets NSF/ANSI 42 standard Tested and certified by the Water Quality Association to NSF/ANSI Standard 42 Reduces chlorine taste and smell as well as sediment Produces cleaner, better tasting drinking and cooking water 100% Compatible with the Sub Zero 4204490 and Pro 48 Refrigerators