- Excellent adhesion of nytrifying bacteria
- Very resistant to plugging
- Easy to cut and fit
- Very durable
Poly-Flo Biological Filter MediaPoly-Flo`s most popular BIOLOGICAL filtration media. It is available in 1.25" and 2.0" thicknesses. The 2.0" material is used exclusively in virtually all US manufactured pond skimmers and waterfall units. The open character of this media allows for high volumes of water to pass through without clogging while providing optimal surface area to facilitate bacterial colonization. The total surface area of this material is 49.6 square foot of material.