Fluval Betta Poly-Carb Cartridge, 4 Pack A1338 Pond Food Due to the fact that

Due to the fact that the Coraline Caribbean Crushed Coral substrate is so coarse

Unique strainer cage protects the impeller and maintains constant water flow

1 increments (g and oz)

• CARBON FILTRATION - The 5-micron activated carbon reduces chlorine and conditions the water prior to the RO membrane

Fluval Betta Poly-Carb Cartridge, 4 Pack A1338 Pond Food Due to the fact thatSpecifically designed for the Fluval Betta Aquarium Kit (6 US Gal 20 L model), the Betta Poly Carb Cartridge offers effective 2 in 1 mechanical and chemical filtration for clean and clear water. Key Features: 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