Top Fin EF-S Element Filter Cartridge Value Pack 12 Month Supply 2.1 in X 3.7 in

Fit perfect in the filter and do the job .

Had to replace way to often. Not a good filter

Good

Easy fit value pack .

Great system and for a CHANGE easy to install meaning connect plug in and it works! ThNk you

Great

Work as expected, better value than the 3 packs at local big box pet store.

I like the value for the money. This will last me atleast a year for my shrimp tank.

I have used numerous times. Great product and fair price.

Please check your warehouse. I thought I ordered incorrectly. That is not the case. The item received is not the same as the picture shown.