Fluval External Filter Review

Filter Type
Canister Filter
Suitable For
Fresh & Saltwater aquariums
For Aquariums up to
100 Gallons
Flow Rate
383 GPH

Fluval External Filter provides multi-stage filtration for your fish tank. It is suitable for both saltwater and freshwater aquariums.

This filter is best for aquariums up to 100 Gallons. It has a flow rate of 383 Gallons per hour( 1450 LPH ).

Fluval 406 canister filter has a square shape design which provides more space to include filter media and water flow compared to the same size round canister filter.

The filter has a media capacity of about 8.5 litres, and it has a 3-year warranty.


Fluval External Filter is one among the best canister filter available in stores. It is best for aquariums upto 100 gallons.