Ceramic cartridges are less expensive no matter what you pay for it than any absolute membrane because it can be cleaned and reused about 35 times. Unlike the man-made materials used in dead-end and depth filter membranes, the micro-filter have pure silver through-out the ceramic shell preventing bacterial growth.
All Doulton ceramic cartridges are bacteriostatic - that is, self sterilizing for bacteriological safe cleaning and handling.
Doulton Sterasyl Ceramic filter cartridge replacement for Crystal Clear Supply models CTD-C and UCD-C. Effectively removes greater than 99.99% of harmful bacteria, cysts (Cryptosporidium, Giardia), and sediment down to an absolute 0.9 micron. Click HERE to see performance data.
Doulton sterasyl double open ends cartridge will fit any industry-standard housing using 9 ¾" length by 2 ½" width.
NOTE: Not intended for main water line (too restrictive).