8 Layer High Density Filter Cotton Reusable Aquarium Filter Nano Gel Free Aquarium Filter Pad for Fish Tank with Cuttable for Aquarium/Pond Filtration 8 Layer High Density Filter Cotton Reusable Aquarium Filter Nano gel free Aquarium Filter Pad For Fish Tank With Cuttable For Aquarium / Pond Filtration 8D This 8 D filter pad is a advanced design for filtrations techniques for the ponds, aquarium with a Nano bio sponge filter Which maintains good water quality and non toxic. Superior filtration with a 8 in 1 filter media sponge pad which contains 3 dimensional mesh cloth, 2 Ultra high precision cloth, 2 Nano bio sponge filter, 2 Activated carbon cotton and the ultra-high precision cloth will trap and filter out very fine impurities and germs. The best strength and is easy to clean. It can be cleaned and reused multiple times. Increases the water quality by removing solid organic compounds before they continue to break down and add additional nutrients to the water in your fish tank 8 Layer High Density Filter Cotton Reusable Aquarium Filter Nano gel free Aquarium Filter Pad For Fish Tank With Cuttable For Aquarium / Pond Filtration 8D Is a improved water filtration pad offers smooth water flowing as well as an excellent filtering effect thanks to its delicate design with a high density 8 layer filtration and practical aquarium filter which have a reusable filter pad with a cuttable design. This 8 layer filtration is designed with eight layers of varying densities of filtering materials, your aquarium tank's filtering system will be swiftly built-up and will effectively filter the water in a efficient, effective, durable ways. This 8 D sponge is made up of a long lasting Nano-bio sponge and a fiber bio sponge filter which are then secured by two layers of cloth with the highest level of accuracy and a ultimate two layer sponge with three-dimensional mesh which is made up of high temperature melt bonds with a quality of durable and non toxic, safe. This 8 D sponge is used for various purposes like sewage tanks, tank filters, pond, reef tank, fish and vegetable symbiosis systems etc. and suitable for both salt and fresh water.