Primo Firebox Divider For Primo Oval XXL 500 Grill - PG00371Primo Firebox Divider For Primo Oval XXL 500 Grill Key Features Divide your Primo XXL grill for direct and indirect cooking. Allows for different temperatures on each side of your firebox divider. Designed specifically for Primo Oval XXL 500 Grills. Unlock the full potential of your Primo Oval XXL 500 Grill with the innovative Primo Firebox Divider. This essential accessory allows you to divide the massive firebox of the XXL 500 into two separate