Tetra
Tetra Whisper Replacement Aquarium Filter Cartridges, Small, 6 Count
Fluval
Fluval 207 Performance Canister Filter, up to 220 L (45 US Gal) - PetsandPonds A443
Fluval
Fluval A446 307 Perfomance Canister Filter
Coral Farmer
207 Canister Filter - by Fluval
Fluval
Fluval AquaClear AC70 Power Filter - 40-70 US Gal / 152-265 L
Coral Farmer
407 Canister Filter - by Fluval
Eheim
Eheim Pro 4+ Canister Filter - 600
Fluval
Fluval AquaClear AC30 Power Filter - 10-30 US Gal / 38-114 L
Aquaclear
Aqua Clear A615 Fish Tank Filter - 110v, Black, 40 -70 U.S. Ga