Quick Take
Score: 8.8/10 | These are the filters that made Clearly Filtered famous. NSF P473 certification for 99.9% PFAS removal, plus 365+ total contaminants, makes this the most comprehensive pitcher filter replacement available.
Safety Analysis (40% weight) - Score: 9.5/10
Five NSF Certifications
NSF 42 (chlorine), NSF 53 (lead), NSF 244 (microbiological), NSF 401 (pharmaceuticals), NSF P473 (PFAS). The most comprehensive certification profile of any pitcher filter.
99.9% PFAS Removal
NSF P473 certification with independent Envirotek Labs testing confirms 99.9% PFOA and PFOS removal.
365+ Contaminants
The broadest contaminant removal of any pitcher filter. Published test results for every contaminant.
Efficacy Analysis (35% weight) - Score: 9.2/10
100-Gallon Capacity
Standard capacity lasting 3-4 months for average families.
Affinity Filtration Technology
Proprietary multi-stage media designed specifically for comprehensive contaminant removal.
Third-Party Verification
Envirotek Labs testing provides independent verification beyond NSF certification.
Value Analysis (15% weight) - Score: 7.5/10
3-Pack Price: $134.99
Approximately $45 per filter. Annual cost: $135-180.
Cost Per Gallon: $0.45
Premium pricing reflects premium protection.
Maximum Protection Value
For families prioritizing PFAS and comprehensive contaminant removal, the premium is justified.
The Bottom Line
Clearly Filtered Affinity replacements are the choice for families who want the most comprehensive pitcher filtration available. NSF P473 PFAS certification and 365+ contaminants justify the premium for protection-focused households.
