The filter is designed as a box filter and is suitable for any aquarium with fish. The filter is suitable for use in any aquarium that requires a box
Top Fin CN-S Corner Filter Cartridges (6 Month Supply : Tools & Home Improvement
Top Fin CN-S Corner Filter Cartridges (6 Month Supply – PETOLY
Top Fin CN-S Corner Filter Cartridges 3 Pack : Tools & Home Improvement
Long x 4.3 in. wide (14.9 cm x 10.9 cm). A good deal!
Top Fin CN-S Refill for CN10 Corner Filter 4 Count - Open Box
Top Fin CN-S Refill for CN10 Corner Filter Cartridges 2 Box 11 Count Total New
Top Fin CN-S Corner Filter Cartridges, Size: 6 Count | PetSmart
Top Fin Cn-l Large Corner Filter Cartridges 3 Count
Top Fin Corner Filter Cartridges CN-S 6 Count
Long x 4.3 in. wide (14.9 cm x 10.9 cm). A good deal!
Top Fin CN-S Refill for CN10 Corner Filter 4 Count - Open Box