100% American manufactured burners listed and tested to the ANSI standard. Indoor burners feature ceramic coated chassies with metal bar stock burner tubes all welded together. Burner denoted "-SS" are stainless steel for outdoor use. Available with logs AWO, AWOC, AJ, ASPEN, and DRIFTWOOD. All burner kits include burner, lava rock, black embers, fittings, flex line, damper clamp & vermiculite (LP ONLY). For LP refer to assembled systems.