Nbbiww 6 Pack Aquarium Fish Tank Water Filter Cartridge Compatible with Coralife BioCube, Replacement Filter Cartridge for Biocube 14 16 29 32 Gallon Aquarium

【 Compatible with BioCube Aquarium 】 The size of the filter cartridge is 7.8 * 3 in (19.8 * 7.6 cm), tailored specifically for Coralife BioCube aquarium filtration system, accurately compatible with BioCube filter cartridge sizes of 14, 16, 29, and 32 gallons, plug and play

【Efficient Composite Structure】The filter cartridge for BioCube adopts a composite structure of "high-density woven cotton layer+activated carbon+sponge layer". The surface dense mesh fibers specialize in physical filtration, while the middle layer activated carbon strongly adsorbs impurities. The bottom layer is a sponge foam layer with excellent water permeability to ensure that water flows evenly through the core adsorption layer

【 PP Plastic Frame Design 】 Each filter cartridge for BioCube aquarium is embedded in a hard PP plastic frame that is integrally formed. This framework ensures that the filter cartridge fits tightly against the aquarium filter tank after installation, preventing water flow from bypassing through edge gaps and forcing all water flow to fully pass through the filter medium, achieving full efficiency filtration without dead corners and keeping your fish tank clean

【Easy to Install】Close the filter cartridges, remove the used filter cartridges, and rinse the new filter element with water to remove dust. After rinsing, insert the filter cartridge for BioCube aquarium into the filter slot, ensuring that the filter cartridge is fully inserted into the filter slot

【 6PCS Multi Quantity Set 】 Each package comes with 6 filter cartridges for BioCube, with sufficient quantity to meet the needs of stable use for several months with a single purchase. The recommended replacement cycle is 2 to 4 weeks, depending on the feeding density, feeding amount, and water quality. Suitable for various aquatic animals, providing them with a clean growing environment