Unicel C-7678 fits the following filter models:
Pentair Pac Fab/Triton Mytilus FMY 50
Note: Filter top and bottom ends are both open w/3-1/16 inch inside diameter
Unicel C-7678 replaces the following filter cartridges:
Pentair Pac Fab/Triton pool filter 17-4981 (174981) or R173297
Note: Use this cartridge with a Unicel C-7699 for a filter model Mytilus MY-150.
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