4x Air Driven Sponge Filter For Aquarium Fish Tank Bio Foam Breeding-In 4 Sizes-
4x Jumbo Aquarium Sponge Filter XY380 Fish Tank Breeding Foam Filtration Air UK. AIR SPONGE FILTER - Biological Aquarium Water Fish Foam For Fish Tank Betta Aqua. Can be used again after cleaning, enhances biological filtration.