More details on the Hertz CG 300
Construction: The grille insert is a black steel mesh screen sized to fit the Hertz 12" Cento series subwoofers. It mounts between the sub and the trim ring included with the sub. The grille adds approximately ⅝" to the sub's mounting height (for 1⅜" total).
- Diameter: 12⅛"
- Height: 1⅛"