UltraTech 8930 Ultra-Drain Guard, Adjustable Framed Model (with maximum dimensions of 20" L x 32" W x 18" H) Drain guard stays in place even with grate removed Adjustable catch basin insert quickly re-sizes to fit almost any storm drain, no trimming of excess fabric required Steel frame adjusts and keeps drain guard in place, preventing it from falling into the basin even when the grate is lifted Heavy-duty hook-and-loop fasteners around the perimeter of the drain guard skirt keeps it secured to the frame Quick and clean installation, no measuring or trimming required