NSF/ANSI 53 lead reduction is the key filter claim
EPA's consumer guidance points shoppers toward certified point-of-use filters that reduce lead and particulate matter. Check the exact filter model in the certification body's directory or performance data sheet rather than relying on a generic standards logo.
Carbon or RO?
Fast, simple, no wastewater and often the best value when the exact model is certified for lead reduction.
Broader contaminant reduction, but higher cost, more maintenance and some wastewater.
For a simple city-water setup, Frizzlife MK99 is worth reviewing because Frizzlife publishes lead-reduction certification claims for the model. For broader treatment, compare RO systems.
A certified filter only works if you replace it on time
Lead reduction capacity is finite. Follow the manufacturer's cartridge schedule and rated capacity, and replace earlier if flow falls or the water quality changes.