Product details:

Feature quick and easy installation using built-in magnets. Available in several sizes for street drains and combination drains (order Curb Style). No more lifting of heavy catch basin grates! Made from heavy duty reinforced material that allows up to 192 gal/ft2/min. through drains. Very low maintenance! Just remove the unit, shake off the excess dirt and silt and put back in place. Can be driven over and does not interfere with traffic or personnel.