Triple Row Burner Construction; Durable Black Powder Coated Steel Pan Dimensions: 22.5" L x 14" W x 1.85" H plus 3/4" L x 1/2" Male connection hubs on both ends BTU's: 72,000 BTU Suitable for Natural Gas or Propane Gas Fireplace.If using for propane an air mixer valve must be installed. Stanbroil 24" Triple Fireplace Burner and Pan, Durable Black Powder Coated Steel.