Fluval Betta Poly-Carb Cartridge, 4-Pack CatTreatsNutritionalConsideration_Grain free Fully adjustable neck and girth

Fully adjustable neck and girth

It will rapidly remove phosphates and silicates from both freshwater and saltwater and will not release them back into your aquarium

Aids Brain Function | Helps support cognitive function with oil rich in DHA and EPA from wild-caught pollock

A Pellet Designed With A Purpose

Fluval Betta Poly-Carb Cartridge, 4-Pack CatTreatsNutritionalConsideration_Grain free Fully adjustable neck and girthSpecifically designed for the Fluval Betta Aquarium Kit (6 US Gal 22. 7 L model), the Betta Poly Carb Cartridge offers effective 2 in 1 mechanical and chemical filtration for clean and clear water. Mechanical and chemical filter media Carbon impregnated polyester cartridge Effectively traps fine debris and contaminants Removes harmful toxins, discolorations and odors For best results, replace every 2 4 weeks Convenient 4 pack format Size: 4 Pack