Unique, flexible media made of environmentally non-toxic EVA. Easy cut to fit any size filter, resists clogging. Different mesh densities can also be used in sequence to meet your filtration needs.
All pads are 19.5" x 24" x 1"...
NYOS® ACTIVE CARB is a high-quality, pH-neutral activated carbon
Extremely high binding capacity
Low in phosphate and heavy metals
For crystal clear aquariums
Use: 2-4 cups per 250 gall...