The tops fit standard frames. Single bay tops have a cutout that accepts one high performance pagoda vent. Double-bay tops have one cutout that can be oriented for left bay or right bay pagoda ventilation. Tops are finished with textured light gray RAL 7035 polyester powder paint. EMC tops are finished with paint over plated surfaces. Bolts are furnished to hold top in position (lifting eyes can be used in place of bolts). Top is gasketed and made of 16 ga steel.