Hagen 15-Pack Marina Slim Aquarium Water Filter with Zeolite Plus Ceramic Cartridge
Brand: Hagen


15 Count Bio Clear Cartridges for Slim Filters
Best for goldfish and ideal for start-up fish tanks
Zeolite effectively adsorbs toxic ammonia and reduces stress on fish
Ceramitek, a highly porous ceramic biological filter medium, optimizes biological filtration
Genuine replacement filter cartridges for all 3 Marina Slim Aquarium Filter Models (S10, S15, S20)