NYANDELMO ND-0126-R04-WH-1000g Ceramic Filter Ring for Aquariums, 1000g, Improves Water Quality for Ornamental Fish and Aquariums

[Makes water changes less frequent] This filter is made using high-temperature firing, allowing bacteria to multiply quickly within the filter, reducing the frequency of water changes. Numerous microscopic holes provide a favorable environment for nitrifying bacteria. [Hollow Structure for Powerful Decomposition] The hollow interior provides powerful adsorption and decomposition capabilities. The numerous pores provide several times the normal amount of culture bacteria, allowing for rapid decomposition of nitrite. [Efficient Filter Use] The polygonal structure increases the filter area by 2-3 times, improving adsorption and purifying water efficiently. [Size] Diameter: Approx. 1.9 cm, Height: Approx. 1.9 cm (See images for detailed dimensions). [Reliable Support and Warranty] Products are shipped in original NYANDELMO packaging. We offer a 30-day return guarantee. If you experience any issues with your product, please contact us. Our Japanese support staff will assist you.