These imported replacement filters are a cheap alternative and are Australian Watermark approved.
INTERNAL HORIZONTAL FRIDGE FILTER – TO SUIT ALL DA29-00012 SERIES
These filters are suitable replacements for all Samsung Quatro-Cooling Convertible (2-door plus 2-drawer) refrigerators with an internal, long, skinny filter mounted horizontally in the ceiling of the fridge.
The filter is approximately 5cm in diameter and just over 23cm long (about 29cm including the snout).
The DA29-00012 series are a suitable replacement for these part numbers: DA97-03175A, DA97-03175A-B or TS48DLUS. The DA29-00012A Filter replaces the older filter part number DA29-00012B.