Rite-Size Emperor Power Filter Cartridge Size E (4 Per Pack)

excellent

good

Awesome filter, and the price was much lower than when I buy it at a local pet store.

Perfect! The best filters for my 55 gallon tank.

works

Perfect....As advertised....

Works as they should.

Perfect fit for my aquarium filtration system.

What can I say? Fits perfectly, works as described.

Good Filter