Marineland Rite-Size Cartridge Refills (6-Pack)

need to keep the water clean

The carbon pellets barely fills half of the filter on the backside. My tank is pretty clean and I still need to clean or replace the filter every two weeks.

Good value for money. These filter cartridges serve their purpose.

Perfect

These are the correct filters for the Marineland Portrait.

Been using these for about a month. Very happy with the water quality in my Marinland Portrait 5 gal. Easy to change the filter. Shipment arrived on time - very good packaging.

These work great in our two beta tanks. They really do make a world of difference in the amount of time the tanks stay clean!

Perfect product

BEEN USING YOUR FILTER AND IT KEEPS THE UNIT CRYSTAL CLEAR,,,

Aquarium