3 Pack Filter Cartridges for Top Fin CN-S Corner Series Fish Tank Filter

3 Pack Filter Cartridges for Top Fin CN-S Corner Series Fish Tank Filter

• 【Perfect Compatibility】Designed exclusively for the Top Fin CN‑S Corner Series fish tank filters, this replacement cartridge fits the CN10 corner filter model – an ideal match for 10‑gallon freshwater aquariums.
• 【Dual‑Action Filtration】 The cartridge combines mechanical particle trapping with activated carbon adsorption to effectively remove debris, discoloration, and unpleasant odors, leaving your tank water visibly clearer.
• 【Important Usage Note】 For first‑time use, rinse the new cartridge briefly with aquarium water before insertion to avoid temporary cloudiness.
• 【Easy Installation】 Swapping out the old cartridge takes just seconds – no special tools required. For best results, replace every 3–4 weeks, or immediately if you notice a significant drop in water flow.
• 【Value 3-Pack】This replacement for top fin cn-s corner filter cartridges includes three cartridges, giving you extended filtration coverage and better value than single‑pack purchases – so you always have a spare on hand for routine maintenance.