Detailed Product Description

filter sponge made by polyurethane foam,  precisely cut to fit into 4'', 5" or 6", "K" style gutters.

Gutter foam filter  keep small debris like leaf, pine needles out of your gutters as they maximize water flow into the gutters.

filter sponge good for aquarium filtering and cleaning . PU foam which reticulated and open cell .

While very porous and flexible, it is also highly resistant to physical stress and deterioration. It was formulated to withstand the harshest weather conditions.  It stops the growth of mildew, moss and other fungi in your gutters.