8" CUBE POND FILTER FOAM CENTRE HOLE PRE-FILTER SPONGE BLOCK 8 INCH FISH
POND FILTER FOAM 8" CUBE WITH CENTRE HOLE. BLACK KNIGHT VORTEX FILTER BRUSH x1 GENUINE KOI FISH POND MULTI CHAMBER BRUSHES. Pond Products. 8" cubes have a large surface area making them ideal for straining water entering a pump.