Quick Summary
The Fluval 104/105/106/107 Bio Foam Filter Block is a 2-pack filter block for Fluval 104/105 filters. It is described as providing mechanical filtration of large particles, helping prevent premature clogging and supporting biological filtration.
For buyers comparing replacement filter media, the main checks here are the exact filter model and the pack quantity. Those two details matter most if you want the correct fit and the expected replacement format.
What to Compare Before Buying
- Filter model: This block is described as suitable for Fluval 104/105 filters. Check that your filter matches this range before choosing an offer.
- Pack quantity: It is a 2-pack, so confirm whether you need a pair or a different replacement quantity.
- Filter media role: It is intended for mechanical filtration of large particles and for supporting biological filtration. Compare that with the type of maintenance task you want to carry out.
- Clogging control: The block is described as helping prevent premature clogging, so it is relevant where replacement media is being chosen for routine filter upkeep.
Before You Decide
Confirm that your filter is a compatible Fluval 104/105 model and that a 2-pack matches the replacement quantity you want. If you need a different filter media format or a different Fluval model fit, choose accordingly before placing an order.






