Spec Sheet
Distributed exclusively by Ferguson 2 ©2020 Ferguson Enterprises, LLC 0920 2115985
Product Specifications
Under-Counter Faucet Filter
For use with municipally treated water only. Do not use with water that is microbiologically unsafe or of unknown water quality without adequate disinfection before or
after the system.
PROSELECT Under-Counter Faucet Water Filter
Models Replacement Operating Pressure Range Rated Capacity Operating Temperature Range Rated Flow
PSWFUC100
PSWFUCRC100 10–125 psi
68.95–-861.8 kPa
4750 gal
17,980 L
35°F–100°F
1.66°C–37.78°C
1.5 gpm
5.67 lpm
Substance Average Influent
NSF/ANSI Influent
Challenge
Concentration
Percent Reduction
Requirement/
Maximum Permissible Product
Water Concentration
Average %
Reduction
Average
Product Water
Concentration
NSF/ANSI 42 – Aesthetic Effects
Chlorine 2.01 mg/L 2.0 mg/L ± 10% ≥ 50% 94.8% 0.103 mg/L
Particulate, Class I particles 0.5
to < 1 µm
3,666,667
particles/mL
At least 10,000 particles/mL ≥ 85% 99.2% 28,017 particles/mL
NSF/ANSI 53 – Health Effects
Cyst 71,500/L Minimum 50,000/L > 99.95% 99.99% 4.88/L
Lead pH 6.5 0.151 mg/L 0.15 mg/L ± 10% mg/L 0.010 mg/L >99.7% 0.005 mg/L
Lead pH 8.5 0.16 mg/L 0.15 mg/L ± 10% mg/L 0.010 mg/L >99.2% 0.0011 mg/L
• Filter is only to be used with cold water.
• Filter usage must comply with all state and local laws.
• Testing was performed under standard laboratory conditions, actual performance may vary.
• Systems certified for cyst reduction may be used on disinfected waters that may contain filterable cysts.
• See owner’s manual for general installation conditions and needs plus manufacturer’s limited warranty.
All contaminants reduced by this filter are listed. Not all contaminants listed may be present in your water. Does not remove all contaminants that may be present in tap water.
Testing Performed under NSF/ANSI Standards 42 and 53 and in accordance with the California Department of Health Services Drinking Water Treatment Device Program. This system has been tested according to
NSF/ANSI 42, 53 for reduction of the substances listed below. The
concentration of the indicated substances in water entering the system was reduced to a concentration less than or equal to the permissible limit for water leaving the system, as specified in NSF/ANSI 42, 53.
Not all water will contain contaminants listed. Testing performed under standard laboratory conditions; actual performance may vary. Filter usage must comply with all state and local laws. Filter is only to be
used with cold water. Do not use with water that is microbiologically unsafe or of unknown quality without adequate disinfection before or after the system. Systems certified for cyst reduction may be used on
disinfected water that may contain filterable cysts. See installation guide for general installation conditions and needs as well as manufacturer’s limited warranty.
Tested and Certified by IAPMO R&T Lab and IAPMO R&T against NSF/ANSI 42 for the reduction of Chlorine, Taste and Odor and Particulate Class I; NSF/ANSI 53 for the reduction of
Cyst and Lead; and NSF/ANSI 372 for low lead compliance as verified and substantiated by test data.


