API Rena Filstar XP Super Micro Filtration Pads
The API® Super Micro filtration Pads are for use with the API® Filstar XP filter, and contains a dual density microfiltration pad with gradual thickness that removes the smallest particles before water is returned to the aquarium. Due to its dual density, its ability to remove dirt is 2 times greater than conventional pads. Product is most effective after routine water maintenance.
DIRECTIONS FOR USE:
Replace the pad every time the water is changed, or at least once per month.