40 gallon, NATURAL GAS, new in box water heater. These are AO Smith water heaters. They are top the line and not Home Depot specials. 20 inches in diameter. 58 inches tall. It has 38000BTU's. Delivery if needed, 25 dollars. Our heater is stronger and heats water quicker. And comes with a 6 YEAR manufactures WARRANTY! Please ask for Glenn at .