![Amazon.com : Zoo Med Nano 10 External Canister Filter, up to 10 Gallons : Aquarium Filters : Pet Supplies Amazon.com : Zoo Med Nano 10 External Canister Filter, up to 10 Gallons : Aquarium Filters : Pet Supplies](https://images-na.ssl-images-amazon.com/images/I/71exAg0FK0L._AC_UL900_SR615,900_.jpg)
Amazon.com : Zoo Med Nano 10 External Canister Filter, up to 10 Gallons : Aquarium Filters : Pet Supplies
![Amazon.com : Penn-Plax Cascade 500 Aquarium Canister Filter – Provides Physical, Biological, and Chemical Filtration – 115 Gallons per Hour (GPH) : Aquarium Filters : Pet Supplies Amazon.com : Penn-Plax Cascade 500 Aquarium Canister Filter – Provides Physical, Biological, and Chemical Filtration – 115 Gallons per Hour (GPH) : Aquarium Filters : Pet Supplies](https://m.media-amazon.com/images/I/61MCOYSsKFL.jpg)
Amazon.com : Penn-Plax Cascade 500 Aquarium Canister Filter – Provides Physical, Biological, and Chemical Filtration – 115 Gallons per Hour (GPH) : Aquarium Filters : Pet Supplies
![Which of these would be best for a 20 long and any recommandations for a 10 gallon(canister filter only) : r/PlantedTank Which of these would be best for a 20 long and any recommandations for a 10 gallon(canister filter only) : r/PlantedTank](https://preview.redd.it/m4kraidj9rl91.jpg?auto=webp&s=b7d8fc0c30b73cf39f24a1b1823e5916b975d1c0)