Marina Bio-Carb Slim Filter Cartridge, 36 count (12 x 3 ct) Heating and Lighting Do not use on pregnant

Do not use on pregnant or nursing animals

Step up to a taller enclosure with the Midwest Black E-Coat Pet Exercise Pen with Walk-Thru Door — 36" panel height

Dimensions: 17" x 15" x 13"

Their latex material makes it a breeze to clean after playtime

Marina Bio-Carb Slim Filter Cartridge, 36 count (12 x 3 ct) Heating and Lighting Do not use on pregnantMarinas Slim Filter Bio Carb Cartridges are available in 3 packs and replace all 3 Slim Filter Models. These cartridges are ideal for tropical fish and combines activated carbon and Ceramitek into one easy cartridge for a healthy vibrant aquarium! Removes pollutants and odors Best for tropical fish Carbon with ceramitek for clean and clear water The activated carbon within these cartridges removes pollutants and odors while the Ceramitek (a highly