Blue Planet Blue Planet - Replacement Filter Cartridge for 16L (4pk) $22.29
Marina Elite - Internal Filter (Mini) $34.99
Pet Pacific Misc. Elite - Replacement Foam for Internal Filter $8.99
Pet Pacific Misc. Ocean Free - Smart 1000 Internal Filter $76.99
Pet Pacific Misc. Ocean Free - Smart 1500 Internal Filter $94.29
Penn Plax Penn Plax - Replacement Filter Cartidges $7.99
Blue Planet TankMaid - Filter Wool (100g) $15.29
Blue Planet TankMaid - Filter Wool (500g) $33.19