Combined UV and filter, mechanical filtration, biological purification, includes SUPRA BIO MEDIA which is a porous inert filter media possessing over 100 times the biological surface of plastic media. 1 liter bag. Replacement components are available to the right. **Gallon capacity listed is for light load under ideal conditions. Handling capability will be lower under heavy loads and/or direct sunlight.Maximum flow rate is 1/2 of suggested pond size.**
Recommended filter based on pond volume and lighting: