This cast iron ash dump has an outside air intake controlled by sliding shutter. Controls outside air source from inside the fireplace. Keeps the cold air out when not in use. Outside air would typically come from the ash dump cavity through a chimney clean out door. Inside lip 4.5" x 8 3/4" and the outside dimensions are 5 3/8 " x 9 3/4".
- Weight: 3.3 lbs.
- Material: Cast iron