Best Value
Penn-Plax Cascade All-in-One Aquarium Canister Filter – for Tanks Up to 65 Gallons (185 GPH) – Cascade 700
Penn-Plax
Fluval 107 Perfomance Canister Filter for Aquariums up to 30 Gallons
Fluval
Fluval 407 Perfomance Canister Filter for Aquariums Up to 100 Gallons
Fluval
OASE Indoor Aquatics Biomaster Thermo 250,Black
OASE Indoor Aquatics