AQUA CREST 3US-AF01 Under Sink Water Filter, Replacement for Standard Filtrete® 3US-AF01, 3US-AS01, Aqua-Pure AP Easy C-CS-FF, WHCF-SRC, WHCF-SUFC, WHCF-SUF Water Filter, 2 Pack

This upgraded replacement filter (model updated from AQU-3US-AF01 to AQU-WF01) is NSF/ANSI 42 certified for chlorine reduction and IAPMO-certified to NSF/ANSI 372 for lead-free materials, delivering efficient filtration with a steady flow for daily drinking needs. It offers up to 6 months or 6,000 gallons of use (whichever comes first, depending on local water conditions), connects to cold water only, and does not reduce TDS. Compatible with 3M Filtrete 3US-AF01 and 3US-AS01 systems, Aqua-Pure AP Easy C-CS-FF/CS-FF, and models WHCF-SRC, WHCF-SUFC, WHCF-SUF, 4306791, 4306809, 4306817, 4306825—model numbers can look similar, so please confirm your exact part number before purchase.

• Upgraded Model: After an update, the model number has changed from AQU-3US-AF01 to AQU-WF01.
• NSF/ANSI Certified Filtration: AQU-WF01 is NSF/ANSI 42 certified for chlorine reduction performance.
• Certified, Safer Materials: Made with selected materials certified by IAPMO to NSF/ANSI 372 for lead-free requirements.
• Steady Flow: Designed to deliver efficient filtration with a stable flow for a comfortable drinking experience.
• Service Life & Use Notes: Provides up to 6 months or 6,000 gallons of use (whichever comes first; actual lifespan varies by water conditions). For cold water lines only and does not reduce TDS.
• Compatibility: Compatible with 3M Filtrete 3US-AF01 and 3US-AS01 systems; compatible with Aqua-Pure AP Easy C-CS-FF and CS-FF systems; compatible with WHCF-SRC, WHCF-SUFC, WHCF-SUF, 4306791, 4306809, 4306817, 4306825. Model numbers may look similar—please confirm the exact model before purchase.