Description

• Chemical filter media designed specifically for the Fluval Flex/Spec/Evo aquarium filters 
• Effective at removing and reducing nitrite 
• Helps prevent fish loss and supports beneficial bacteria for a healthier aquatic environment 
• For best results, replace monthly or as required after testing water with your Fluval test kit (sold separately) 
• Includes 4 Nitrite Remover inserts for use in freshwater and saltwater aquariums