Fluval FLEX 2.0 Poly Carb Cartridges offers 2 in 1 action! These cartridges are for the Fluval FLEX line.

Key features: 

• Removes Odors and Toxins
• Crystal Clear Water
• 2 in 1 action
• 3-pack 

Size: 6 x 21.5 cm (2.4 x 8.5 in)