Industry’s Filtration Partner
The C-Series family, a triacetate/diacetate blend, has a higher flux and better mechanical stability than standard cellulose acetate. C-Series elements offer a lower per element cost and increased chlorine resistance compared to thin-film elements.

CK Nanofiltration Elements are used for water softening, color removal, and reduction of THM potential when chlorine is required.
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Item #

Flow Average

Salt Rejection Average (MgSO4)

Active Area

Outer Wrap

Part Number

Dimension A (Length)

Dimension C (Outside Diameter)

CK2540FM 30D N/A 600 gpd2.3 m³/day N/A 97.0 % N/A 27 ft²2.5 m² N/A Fiberglass N/A 1231009 N/A 40.0 in101.6 cm N/A 2.4 in6.1 cm
CK4040FM N/A 2000 gpd7.6 m³/day N/A 97.0 % N/A 90 ft²8.4 m² N/A Fiberglass N/A 1233930 N/A 40.0 in101.6 cm N/A 3.9 in9.9 cm
CK8040F 365 N/A 9000 gpd34.1 m³/day N/A 97.0 % N/A 365 ft²33.9 m² N/A Fiberglass N/A 1233927 N/A 40.0 in101.6 cm N/A 7.9 in20.1 cm
CK8040N N/A 9000 gpd34.1 m³/day N/A 97.0 % N/A 365 ft²33.9 m² N/A Net™ N/A 1231792 N/A 40.0 in101.6 cm N/A 7.9 in20.1 cm
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