What is the cut out dimensions? And does this unit require an insulated liner?

The cut-out dimensions for this AOG L-Series 24-Inch Built-In Gas Grill is: Cut-Out Dimensions: 24 1/2" W x 19 1/2" D x 8 1/2" H. Yes, you will need an insulated liner for this. We offer the matching liner here in order for the grill to be installed into your outdoor kitchen unit.

If you have any further questions, please call us and we will be happy to assist you.