The Filtrete 3US-PF01 replacement filter should be replaced every 6 months or after 2,000 gallons of filtered water, whichever comes first. This filter is designed to fit the Filtrete 3US-MAX-S01, 3US-PS01, and 3US-PS01H under sink filtration systems. Timely replacement ensures consistent flow rate, optimal contaminant reduction, and great-tasting drinking water directly from your dedicated faucet.

The Filtrete 3US-PF01 features a 0.5 micron rating and is certified to reduce a wide range of contaminants, including chlorine taste and odor, sediment, particulates (Class I), lead, cysts (such as Cryptosporidium and Giardia), select VOCs, and MTBE. Its advanced carbon block technology delivers noticeably cleaner, better-tasting water for drinking and cooking while maintaining a steady flow to your faucet.

Yes, the Filtrete 3US-PF01 is tested and certified against NSF/ANSI Standards 42 (aesthetic effects like chlorine, taste, and odor) and NSF/ANSI 53 (health effects including lead, cysts, select VOCs, and MTBE). These certifications verify the filter's performance claims and confirm that it meets strict industry standards for material safety and contaminant reduction.

The Filtrete 3US-PF01 is specifically engineered as a direct replacement for the Filtrete 3US-MAX-S01, 3US-PS01, and 3US-PS01H under sink filtration systems. Its quick-change, twist-on design allows for tool-free installation—simply rotate the old cartridge out and twist the new one in. No need to shut off the main water supply, making replacement fast and mess-free.

The Filtrete 3US-PF01 delivers a flow rate of 0.75 gallons per minute (GPM) at 60 psi and features a 0.5 micron filtration rating. This fine micron level allows the filter to capture microscopic particulates and cysts while still providing ample water flow for everyday drinking and cooking needs. Its 2,000-gallon capacity and 6-month life make it an efficient, long-lasting solution for point-of-use filtration.