Transition Ring and Frame
![public://uploads/media/transition-lid.png](https://muellercompany.com/sites/muellercompany.com/files/styles/product_main_image/public/uploads/media/transition-lid.png?itok=lBkSln_b)
Transition Ring and Frame
Transition rings and frames can be used when boxes are installed in soil, concrete, or asphalt.
Frame Part Number |
Lid Size Opening |
Box Diameter Frame Fits |
790438 |
18" |
36" |