About This

• 1【Perfect Match】Fish Filter Cartridge Fit Your Marina Fish Tank Filter Well! If You Are Using Marina Slim Filter Cartridge s10 15 20 In Your Aquarium, Then Don'T Miss This Marina Slim Replacement Filter Cartridges ,Specifically Use For Marina Slim filter S10 &S15 &S20 Series Filter Cartridges, Perfectly Fit The Size Of The Card Slot Size, Which Will Be A Better Choice.
• 2【Four-Layer Filtration 】Aquarium Filters for Fish Tank Creating The Best Living Environment For Fish To Thrive ,"Why Settle For Murky Water? Our Aquarium Filter Cartridge Fish Tank Are Made Of Activated Carbon + Bio-Zeolite + 2 Layers Of Dense Cotton That Captures Debris Up To 5 Times Finer Than Other . Keep Water Clean And Odorless, Perfect Use For Marina Aquarium Fish Filters, Aquarium Filter Bags Setups For Fish Tank Filters. Pro Tip: Ammonia (Nh₃) And Nitrite Are Produced When Fish Feces And Bait Decompose.
• 3【Easy To Install】 Fish Filters For Aquariums No Tools Required! Replace Your Old Fish Tank Filter Cartridge In Just A Few Seconds. Make Sure The Aquarium Filter Cartridge Is Inserted Intact Into The Sink, No Matter Whether You Have Experience Or Not, It Will Not Be Difficult To Operate, So Feel Free To Use It.
• 4 【Long Lasting Eco-Friendly 】- There Are 6 Pieces Of Fish Filter Small Cartridge In A Pack，Each Marina Filter Sponge For Fish Tank, Lasts 2-4 Weeks. Can Be Used For A Long Time. If The Water Is Cloudy At The Beginning, The Fish Tank Filter Cartridge May Be Used For 1 Week Or Less, Different Water Quality Will Affect His Effective Period.Remove Cloudy Water From Fish Tanks With Aquarium Filter Sponges To Keep Water Clean.
• 5 【Safe For All Aquatic Life】The Founder Of Vrynthra Is A Big Fan Of Aquariums And Loves To Keep A Wide Variety Of Fish And Build Tanks, Enjoying The Fun Of Fishkeeping While Discovering The Problems Encountered At Different Stages Of Fishkeeping. If You Are Also An Aquarium Fishkeeping Enthusiast And Consider Fish As Your Friends, And Are Choosing A Durable And Reliable Fish Tank Filter Cartridge For Your Aquarium Filter, I Recommend This Fish Filters For Aquariums To You.