There are many factors that determine how hot and how fast your grill gets up to temperature. By using half the amount of fuel, you can expect it to heat up a little slower, or not reach quite as high of a temperature as it might with a full bowl of charcoal. Using the divider for two zones is especially handy for cooking something like burgers or chicken on the hot side and vegetables on the cool side.
Removable divider locks into grate and allows for cooking with indirect heat and uses less charcoal
Laser cut from 1/4" plate steel, this grate divider set offers the double benefit of improved air flow and a vertical firebox divider. doesn't clog with ash and charcoal and eliminates need for frequent cleaning.