Open Back, Black PVC, Grommet for 30 Series and 2 in. Lights, Round, Bulk. Flush mounts 2" diameter lamps. Wide groove for panel thickness up to 250". Suitable for PC requirements when using LED or incandescent PC-rated/combination lamps. Closed-back versions recommended for open installation where splash plate is not used. Replaces Signal-Stat 9139. Common Size: 2 IN, Compatible Light Shape: Round, Compatible Products: 30 Series Lamps, Kit: No, Mount Type: Grommet Mount, Mounting Connector Diameter: 2.31 IN, Open/close: Open, Series: 30 Series, Trim Color: Black, Trim Material: PVC. UPC: 00735111050223, VMRS Code: 034004058. bezel