Rinnenfilter

1.polyurethane foam material.size and shape could be customize, we could offer 5''.6'' K style2,reticulated, mesh, porous.could offer 10ppi,15ppi.20ppi.25ppi3 good resilient, good air permeability (95%) Tensilestrength kpa ≤ 100 elongation percentage % ≤ 90 TearingstrengthN/CM ≤ 104function:UV-protection, dust-proof,anti-bacterial, flame retardant , filter water well, could stand some stress , and filter the debris .stop mildew,fungi growing5 with the good resilient ,could low the noise from the foot and rain .could allow the water to flow while keeping the debris out ,don't clogging the eaves .6 it's very popular in usa and Canada , we have many clients over there