EasyPro Filter Brushes Size:15" Check valves are essential when

Check valves are essential when using a waterfall filter in conjunction with a pond skimmer

fast-acting algaecide for ponds

Dimensions - Nexus220 49

5" x 3" 1/4" Barb 0

White Red Blue Green Pink R800208 18 3 3 3 4 9000K 2100 480 12

EasyPro Filter Brushes Size:15" Check valves are essential whenFilter brushes have long been used in the Koi industry as a great filter media. Brushes collect large amounts of debris, yet will not restrict water flow even when dirty. Filter brushes work well for both solids removal and biological filtration. All brushes measure 4" diameter. SKU Length Compatible Skimmers Wt FB15 15" PSMFB, PS1FB 1lb FB23 23" PS2FB, All PSA skimmers 2lb