When you receive your roll of 11.8 inch by 4.7-inch filter pad, simply cut it to your custom desired size and they are ready to use.
It can also be used as a prefilter if desired.
Perfect for the DIY aquarist!
Advise: Best effect, reduce the fish mortality.
This product is suitable for sea water tanks, fresh water tank, water plants cylinder, the size of the free cut.