You are purchasing a bag of premium quality 1kg (2 x 420g) ceramic filter rings. Our filter rings are ideal for aquarium and pond filters.< /p> These filter rings are packed in mesh bags - they are easily cleaned in the filter. Additionally, they can be removed from the bag and placed in the filter. Large surface area allowing beneficial bacteria to colonize and water to be biologically filtered by removing ammonium and nitrites. Note: You will receive two 420g mesh bags which means there will be 420g per bag.
