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TECHNICAL DATA
Sub-Zero Water Filtration System Data
REPLACEMENT CARTRIDGE (4204490)
Tested and certied by NSF International against NSF/ANSI Standard 42 for the reduction of Chlorine Taste & Odor,
Particulate Class I; and against NSF/ANSI Standard 53 for the reduction of Lead, Mercury, Atrazine, Benzene, Carbofuran,
1,4-dichlorobenzene, Lindane, Toxaphene, Turbidity, Cysts and Asbestos.
OPERATING SPECIFICATIONS
Capacity: certied for up to 750 gallons (2,838 L); up to twelve months
Pressure Requirement: 35 – 120 psi (2.8 – 8.2 bar)
Temperature: 33 – 100°F (0.6 – 38°C)
Flow Rate: 0.78 gpm (2.9 Lpm)
NSF
Standard
Inuent Challenge
Concentration
Average Inuent
Concentration
Product Water Concentration % Reduction
Max Permissable
Product Water
ConcentrationSubstance Average Max Efuent Average Minimum
Chlorine, Taste & Odor 42 2.0 mg/L ± 10% 1.88 mg/L 0.05 mg/L 0.06 mg/L 97.34% 96.80% ≥ 50%
Particulate 42
At least 10,000
particles/ml
5,700,000/ml 30,583/ml 69,000/ml 99.46% 98.78% ≥ 85%
Lead at pH 6.5 53 0.15 mg/L ± 10% 0.153 mg/L <0.001 mg/L <0.001 mg/L 99.34% 99.34% 0.010 mg/L
Lead at pH 8.5 53 0.15 mg/L ± 10% 0.150 mg/L <0.001 mg/L <0.001 mg/L 99.33% 99.33% 0.010 mg/L
Mercury at pH 6.5 53 0.006 mg/L ± 10% 0.006 mg/L 0.0003 mg/L 0.0005 mg/L 95.00% 91.66% 0.002 mg/L
Mercury at pH 8.5 53 0.006 mg/L ± 10% 0.006 mg/L 0.0008 mg/L 0.0015 mg/L 86.66% 75.00% 0.002 mg/L
Atrazine 53 0.009 mg/L ± 10% 0.009 mg/L <0.002 mg/L <0.002 mg/L 77.77% 77.77% 0.003 mg/L
Benzene 53 0.015 mg/L ± 10% 0.014 mg/L 0.0006 mg/L 0.0011 mg/L 95.71% 92.14% 0.005 mg/L
Carbofuran 53 0.08 mg/L ± 10% 0.081 mg/L <0.001 mg/L <0.001 mg/L 98.76% 98.76% 0.04 mg/L
1,4-dichlorobenzene 53 0.225 mg/L ± 10% 0.208 mg/L <0.0005 mg/L <0.0005 mg/L 99.75% 99.75% 0.075 mg/L
Lindane 53 0.002 mg/L ± 10% 0.002 mg/L 0.00003 mg/L 0.00007 mg/L 98.50% 96.50% 0.0002 mg/L
Toxaphene 53 0.015 mg/L ± 10% 0.015 mg/L <0.001 mg/L <0.001 mg/L 93.33% 93.33% 0.003 mg/L
Turbidity 53 11 ± 1 NTU 10.7 NTU 0.31 NTU 0.49 NTU 97.10% 95.42% 0.5 NTU
Cysts** 53 Minimum 50,000/L 166,500/L <1/L <1/L >99.99% >99.99% >99.95%
Asbestos 53 10
7
to 10
8
bers/L
†
155 MF/L <1 MF/L <1 MF/L >99.99% >99.99% >99%
**Based on the use of Cryptosporidium Parvum oocysts † Fibers greater than 10 μm in length
• Do not use with water that is microbiologically unsafe or of unknown
water quality without adequate disinfection before or after the
system.
• Systems certied for cyst reduction may be used on disinfected
waters that may contain lterable cysts.
• This system must be installed, operated, maintained and lters
replaced as required in order for the product to perform as adver-
tised.
• Note that while the testing was performed under standard labora-
tory conditions, actual performance may vary. The contaminants
or other substances removed or reduced by this water treatment
system are not necessarily in your water.
SPECIAL NOTES
• Replacement Sub-Zero water lter cartridges can be ordered online
at subzero.com/store. For questions, contact Sub-Zero Customer
Care at 800-222-7820.
• Change lter cartridge at least every twelve months. High sediment
areas may require more frequent lter cartridge replacement.
• Installation and operation instructions, parts and service availability,
and standard warranty are included with the product when
shipped.
• Replace water lter cartridge when the lter indicator is lit or when
water ow becomes too low. Use replacement water lter cartridge
part number 4204490. Replacement lter pricing information can be
found at subzero.com.
Manufactured for: Sub-Zero, Inc., P.O. Box 44848, Madison, WI 53744, 800-222-7820
This system has been tested according to NSF/ANSI 42/53 for reduc-
tion of the substances listed below. The concentration of the indicated
substances in water entering the system was reduced to a concentra-
tion less than or equal to the permissible limit for water leaving the
system, as specied in NSF/ANSI 42/53.