The Filter Retention Wool is ideal for trapping the small fines down to 10 microns. This make Filter wadding/wool ideal as a final media in filter . Helps to stop cloudy pond, traps suspended solids, enhances water quality.

Filter Wool will require cleaning on a regular basis and replaced once the wool/ wadding deteriorates breaks down.

Size - 1m x 1m x 70mm

Best replace at least every month on most garden ponds.