Explore WQA Gold Seal and NSF/ANSI
standards for water filtration
performance and product safety.
WQA Gold Seal
Third-party certification
program for water treatment
product performance and safety.
NSF/ANSI 42
Standard addressing
chlorine, taste, odor
and particulate reduction.
NSF/ANSI/CAN 372
Standard for lead-content
compliance of materials
in contact with drinking water.
NSF/ANSI 401
Standard addressing
selected emerging contaminants,
including pharmaceutical residues.
Note: These are general descriptions of certification
standards. Verify the P-2201N's specific certifications
and performance claims against official listings.