Klir 50 Micron Fleece Filter Roll - 4 Inch Calcium Reactors which may be nearly any

which may be nearly any color of the rainbow

and pH demand

and other BNC-equipped ORP/REDOX measuring devices

debris accumulation

and lower areas of the aquarium

Klir 50 Micron Fleece Filter Roll - 4 Inch Calcium Reactors which may be nearly anyKlir 50 Micron Fleece Filter Roll 4 Inch The Klir 50 Micron Fleece Filter Roll 4 Inch is a replacement fleece roll for the Klir Di 4 automatic fleece filter, helping keep mechanical filtration fresh and effective. Replacement Roll for Klir Di 4 Filters This replacement roll is used when the existing fleece has been exhausted, restoring the Klir Di 4 filters ability to automatically advance clean filtration material. 50 Micron Fleece Roll Features