Fluval G3 Pre-Filter Cartridge

I have this on my 60 gallon discus tank and rinse off every 5 to 7 days and I am running at 100% flow rate for the last 3 months. I may want to try the finer prefilter in the future just to compare.

All I can say is that is a great product and I use it all the time. Somewhat expensive and this item is hard to find.

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