Type:fishOrigin:Mainland China High-Quality Material : Crafted from premium 8D sponge, this filter cotton ensures long-lasting durability and effective filtration in your aquarium. 8-Layer Design : The non-gel filter pad boasts an innovative 8-layer design, providing superior filtration capabilities for your fish tank. Denitrifying Feature : Equipped with denitrifying properties, this filter cotton helps to maintain a healthy environment in your aquarium by reducing harmful nitrates. Versatile Use : This product is suitable for various types of fish tanks, making it a versatile addition to your aquatic accessories. Easy Installation : Designed for easy installation, this filter cotton can be easily placed in your fish tank without requiring any special tools. Improved Filter Pad : The improved 8D sponge filter cotton offers enhanced filtration performance, ensuring your aquarium water remains clean and clear. Aquarium 8D sponge filter cotton denitrifier accessories fish tank foam agent improved 8 layer non gel filter pad Description 1.[Super Effect] Our aquarium filter pad has 8 media: 3D mesh cloth * 2 ultra high precision cloth * 2 activated carbon * cotton * 2 nano biological sponge filter screen biological sponge fiber filter screen. Three-dimensional mesh captures the largest particles, ultra-high precision mesh captures fine particles, activated carbon cotton sponge nano biological filter and fiber sponge biological filter will filter very fine impurities and bacteria. Undoubtedly, this is your fish's favorite water. 2.[High quality and durability] Our aquarium filter pad consists of durable nano biological sponge filters and fiber biological sponge filters, which are then fixed with two layers of ultra-high precision fabric,. Finally, two layers of three-dimensional mesh are bonded and molded using high-strength organic resin. This aquarium filter line has the greatest resistance and is easy to clean. Can be cleaned multiple times, just like in a video. 3.[Wide use] The filter media in an aquarium can be cut into any size to meet all your requirements and save you more money. Our aquarium filter media are ideal for freshwater or salt aquariums. This aquarium filter line can be used as a prefilter for fish tank accessories, wet/dry filters, wastewater tanks, tank filters, reef tanks, ponds, fish and vegetable symbiosis systems, and more. 4.[Rest assured service] We will inspect all aquarium filter mats during the final packaging process and discard unqualified aquarium filter mats to ensure that all aquarium filter mats shipped from the factory are qualified. Our 24-hour online customer service. If you have any questions, please contact us. We will help you solve this problem for the first time. Size: 11x5 0cm/30x40cm Color: blue Feature: The Biochemical Filter has the best effect on decomposing the excrement and the forage leftover. Its multi-porous feature will avoid blockages and provide the largest adhesion area for bacteria. The material has great thickness, it is durable. Very suitable for using in freshwater and marine water. Can be cut any sizes as your needed. Lightweight & softness design. Excellent water permeability. Cultivate the nitrifying bacteria for biological filtration. Dense shape makes it effective to avoid residue. Can be used again after cleaning. 100% brand new & unused The package includes: 1x 8D Aquarium Filter Note: Due to manual measurement, please allow a difference of 1-2 cm. "Due to many factors such as the resolution, brightness, and contrast of a computer screen,", The true color may differ slightly from the image. For the final color, please refer to our real product. About comments We maintain a high level of excellence and strive to achieve 100% customer satisfaction! Therefore, Please do not easily complain, nor leave us negative or neutral comments. Negative comments cannot solve any problems. If you are not satisfied with our product, please contact us first, and we will provide you with a satisfactory solution. thank you, Wish you a pleasant shopping experience! If you are satisfied, please give us a five-star compliment! Your support is our motivation for shading in this store.