EKUEY 2.2 lbs Aquarium External Power Filter Pre-Filter Media Ceramic Rings & Activated Carbon Set for Fish Tank, Pond, and Pool Filtration Review

13-in-1: 12 Kinds of filter media mixed, including activated carbon, bio balls, ceramic rings, volcanic rock, etc. They can be used for various functions. A pack can satisfy your needs of improving the water quality. 2 Stages Filtration: Effectively absorbs particles and debris. It supports bio and chemical filtration to fix the water turbid problem, and stabilize the PH value, which leaves the fish tank water clear and healthy. It helps create a healthy environment for your fish. Wide Complications: Fits for the hang-on filter, power filter, canister filter, etc. And they can be used in ponds, freshwater fish tanks, saltwater aquariums, fish hatcheries, and much more. Long Using Life: High-performance design is revolutionary and manufactured. Aquarium bio filter is excellent interaction between air and water and gas exchange. It is recomended that change the filter media evert 6 months. The package includes: 2.2lbs filter media + filter media bag.