The fire coals / pebbles only appear in fires that do not have a closed burner section. They serve 2 functions. The first is to allow the heat to be emitted from the fire. The second function is safety, they are designed to slot together in a specific

Brand Name	Focal Point
Colour	N/A
Material	N/A
Manufacturer Model No	F780035
Wear Type	N/A
Type	Fuel Beds
Certifications Met	N/A
Country of Origin	N/A
Protects From	N/A
Waterproof	N/A
Number of Pockets	N/A
Fuel Beds	Pebbles