EasyPro™ Eco-Series® Pond Skimmer Replacement Filter Mat Flow Rate at 5 Feet of Head_1250 GH Helps keep water clean and

Helps keep water clean and clear of hard water deposits

Filter kit for FilterFalls BF1900 - MA1900

It also helps to establish denitrification- the biological conversion of nitrate to nitrogen gas- which bubbles harmlessly out of your pond

A Green piece next to a Gray piece for example will give good flow around the Grey one and trap solids in the Green one

EasyPro™ Eco-Series® Pond Skimmer Replacement Filter Mat Flow Rate at 5 Feet of Head_1250 GH Helps keep water clean andEco Series skimmers filter mats for Eco Series Skimmers seen here. Prelude mat with grommets 10" x 6 1 4" PS4M Melody mat with grommets 15 1 4" x 11" PS6M Ovation mat with grommets 15 1 2" x 15 1 8" PS10M