Heavy duty waffle grills constructed of 19 gauge steel and finished with a tough black enamel to withstand years of abuse. 5/16" square holes provide a total open area of 50%. Black rubber mounting gaskets ensure a tight vibration proof fit. Easily mountable with our grill clamps, BOLT-10, and TNUT-10. (sold separately).
Nominal Speaker Size: 18.00", 457mm
Outside Diameter: 18.13", 461mm