American Gas Lamp Works Cavalier 1400R 13" Noble Bronze Residential Pier Mount Aluminum Natural Gas Lamp With Single Upright Gas Mantle Light Assembly, Beveled Tempered Glass Panes and Small Brass Ball Finial propane gas Item Number OPT RTFFP60 NG UPC Code 1400R RM2 NG OW3 G9T F12 CH Item Number OPT RTFFP60 NG UPC Code 196111453016 Manufacturer The Outdoor Plus Brand Name The Outdoor Plus Material Hardieboard & Steel Frame Shape Rectangular Fuel Type Natural Gas Ignition Match Lit Ignition Burner Material 304 Stainless Steel Burning Area 29 125" Door opening – dimension (Height) 8 3 4" Door opening dimension (Width) 17 1 2" Firebox – dimension (Height) 11 7 8" Firebox – dimension (Width) 21" Firebox – dimension (Depth) 16 3 4" Firebox lined with refractory bricks for better heat distribution Yes Stainless steel secondary air system improving gas combustion Yes Steel thickness – body 3 16" Steel thickness – top 5 16" Fireplace opening – minimum (Height) 23 3 8" Fireplace opening – minimum (Width) 28 7 8" Fireplace opening – minimum (Depth) 19 5 8" USA standard (emissions) EPA ASTM WK47329 Canadian Standard (emissions) CSA B415 Available with flat or beveled tempered glass panes Light Assembly