- 3 Foam filter blocks designed for the Fluval Spec aquarium
- Effectively traps particles and debris
- Helps to keep your aquarium clean and healthy
- Easy to replace filter media
- Bulk packaged to save you money and protect our environment
These foam blocks are custom manufactured for the Fluval Spec Aquarium. They are sometimes referred to as part #A1376. These foam blocks effectively remove large particles and debris from your aquarium for effective mechanical filtration. Although the primary purpose is mechanical filtration, biological activity will eventually occur within its pore structure. It is the perfect size to allow efficient water flow with less clogging.