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US-DC4 Performance Data Sheet
Manufacturer: Culligan International Company
9399 W. Higgins Rd., Suite 1100, Rosemont, IL 60018 USA
(847) 430-2800
Direct Connect Filter System with Cyst Reduction, Model US-DC4
Product:
Testing Conditions:
Flow Rate: 1.25 gpm (4.73 Lpm) pH: 7.5 ± 0.5
Inlet Pressure: 60 psi (4.1 bar) Temp: 50 – 77°F (10 – 25°C)
Operating Requirements:
Rated Service Life: 650 gallons (2,460 Liters)
Pressure Range: 40 –120 psi (275–827 kPa)
Rated Service Flow: 1.25 gpm at 60 psi (4.73 Lpm at 4.1 bar)
Temperature Range: 40 –100°F (4.4 – 38°C)
Substance Reduction:
This system has been certified by IAPMO R&T and tested according to NSF/ANSI 42, 53 and
401 for the reduction of 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 permittable
limit for the water leaving the system, as specified in NSF/ANSI 42, 53 & 401.
While testing was performed under standard laboratory conditions, actual performance may vary.
Substance
Influent Challenge
NSF/ANSI 42 – Aesthetic Effects
Chlorine
Chloramine
Particulate,
Class I particles
0.5 to <1 pm
NSF/ANSI 53 – Health Effects
Asbestos
Cyst
Minimum 50,000 mg/L
Lead pH 6.5
0.15 mg/L ± 10% mg/L
Lead pH 8.5
0.15 mg/L ± 10% mg/L
Mercury pH 6.5
0.006 mg/L ± 10% mg/L
Mercury pH 8.5
0.006 mg/L ± 10% mg/L
MTBE
0.015 mg/L ± 20% mg/L
Turbidity
VOC (chloroform
0.300 mg/L ± 10% mg/L
surrogate)
Perfluorooctanoic
Acid (PFOA) &
Perfuorooctane
Sulfonate (PFOS)
NSF/ANSI 401 – Pharmaceutical Effects
Phenytoin
400 ng/L ± 20% ng/L
Ibuprofen
400 ng/L ± 20% ng/L
Naproxen
140 ng/L ± 20% ng/L
Estrone
140 ng/L ± 20% ng/L
Bisphenol A
2,000 ng/L ± 20% ng/L
Nonylphenol
1,400 ng/L ± 20% ng/L
WARNING: 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.
NOTE: Substances reduced are not necessarily in your water. Filter must be maintained according
to manufacturer's instructions, including replacement of filter cartridges.
Replacement is US-DC4-R, which can be found at select retailers. It should be replaced every
2 months for best results. Refer to the product manual for more specific product information,
installation instructions and instructions on replacing the filter cartridge.
Concentration
2.0 mg/L ± 10%
3.0 mg/L ± 10%
At least 10,000
particles/ml
10
to 10
fibers/L
7
8
11 ± 1 NTU
1.5 ug/L ± 10%
Percent Reduction Requirement/
Maximum Permissible Product
Water Concentration
≥ 50%
≤ 0.5 mg/L
≥ 85%
≥ 99%
≥ 99.95%
0.010 mg/L
0.010 mg/L
0.002 mg/L
0.002 mg/L
0.005 mg/L
≤ 0.5 NTU
≥ 95%
0.07 ug/L
≤ 30 ng/L
≤ 60 ng/L
≤ 20 ng/L
≤ 20 ng/L
≤ 300 ng/L
≤ 200 ng/L
12
Actual
Actual
Minimum
Average
% Reduction
% Reduction
89.1%
95.5%
89.1%
95.5%
>99.9%
>99.9%
99%
>99%
>99.99%
>99.99%
>99.3%
>99.3%
>99.4%
>99.4%
>99.6%
>96.6%
>99.7%
>96.7%
66.9%
86.6%
99.0%
99.1%
96.7%
99.6%
95.8%
>95.8%
< 10 ng/L
>95.6%
< 20 ng/L
>95.4%
< 15 ng/L
>96.4%
< 5 ng/L
>96.5%
< 20 ng/L
>98.9%
< 50 ng/L
>97.5%
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