The Charbroiler is a heavy-duty, countertop gas appliance with a width of 48" and non-adjustable cast iron grates. It features a 21-3/16" deep broiling grid and one variable hi/lo valve per burner. The manual controls and crumb tray make it easy to use and clean. The broiler racks are reversible and made of cast iron in 3" wide sections. The appliance is made of stainless steel on the front, sides, back, and 3-1/2" front rail. It has 4" adjustable legs and a total BTU of 144,000. The Charbroiler is NSF and CSA certified. Standard features include 4" stainless steel adjustable legs, stainless steel front, sides, and back, a large capacity stainless steel crumb tray, a 21-1/2" broiling grid depth, and one two-position hi/lo valve control for each burner. The broiler grates can be adjusted to two positions or fixed in a non-adjustable position. The appliance also has a stainless steel front rail with a 4" depth and a 3-1/2" top work surface. The cast iron broiler racks are reversible and marked with 1/8" and 3/16" brand marks. Each 6" of broiler width is equipped with one cast iron radiant over an 18,000 BTU stainless steel tube burner. The appliance also includes a 3/4" NPT gas regulator for models ranging from 24" to 60" wide, with a "T" gas manifold connection for rear or flush mount gas connections. The GTBG72-NR72 model has a 1" NPT gas regulator and a "T" gas manifold connection for straight through or nearly flush mount gas connections. Optional features include a stainless steel spatter-guard, a broiler grate cleaning tool, a stainless steel stand with a solid top and holding shelves (with adjustable feet or casters), a removable wire holding shelf for spatter guards (available for 24" and 36" models), a set of reversible cast iron broiler racks with 4 brand marks per 3" section (with a 3/16" width), a stainless steel skirt for dais/counter surface mounting (reduces overall unit height by 1-3/4"), a fajita broiling grate (9" wide