Pond Boss® Replacement Filter Pads Part:FRP and the large base can

and the large base can accommodate two or four diffusers

Eliminates string algae problems and algae that attaches itself to any surface

menadione sodium bisulfite complex (source of vitamin K)

which eliminates sludge and build-up that may settle on the bottom of your pond after using this concentrated water clarifier

These long-lasting

Pond Boss® Replacement Filter Pads Part:FRP and the large base canPond Boss filter pads should be changed once a year for maximum efficiency. Non toxic filter pads are safe for fish and plants Easy to install SKU Fits Pond Boss Products Included Filters Dimensions FRM001 PP225, PP350, PP575 (1) Coarse 2. 5" Diameter x 4" L FRP FP900, FP1250UV (1) Coarse, (1) Fine 8. 5" Diameter x 3" H FRUVFL FUVFL (1) Coarse