Marina Slim Power Filter Bio-Clear Cartridge (3pk) BULK BUY 5pk Marina Slim Filter Bio-Clear is a genuine replacement cartridge for all three Marina Slim Filter Models (S10, S15, S20).  Ideal for goldfish, the filter cartridge contains zeolite and...

Marina Slim Hang On Power Filter S10 The Marina Slim S10 Power Filter's unique compact and slim design provides both practical and aesthetic benefits: it takes up less space than standard size filters and it brings a touch of elegance to your aquarium...

Marina Slim Power Filter Bio-Clear Cartridge (3pk) Marina Slim Filter Bio-Clear is a genuine replacement cartridge for all three Marina Slim Filter Models (S10, S15, S20).  Ideal for goldfish, the filter cartridge contains zeolite and Ceramitek for...

Marina Slim Power Filter Bio-Carb Cartridge (3pk) Marina Slim Filter Bio-Carb is a genuine replacement cartridge for all three Marina Slim Filter Models (S10, S15, S20).  Ideal for tropical fish, the filter cartridge contains activated carbon and...

Marina Slim Hang On Power Filter S20 The Marina Slim Power Filter's unique compact and slim design provides both practical and aesthetic benefits: it takes up less space than standard size filters and it brings a touch of elegance to your aquarium. The...

Marina Slim Hang On Power Filter S15 The Marina Slim S15 Power Filter's unique compact and slim design provides both practical and aesthetic benefits: it takes up less space than standard size filters and it brings a touch of elegance to your aquarium...

Marina Polywool 40gm Designed to effectively trap fine particles, Marina Polywool filter material keeps aquarium water clear and prevents filter clogging. Suitable for fresh or salt water aquariums, this non-toxic media polishes water and makes it...