The "Natural Gas Screen, Infrared Rear Burn CE 485" is a component or feature of a grill or outdoor cooking appliance, likely the Napoleon Prestige PRO 485 RSIB. Here's a breakdown of what this feature means: 1. **Natural Gas:** This indicates that the grill or appliance can be connected to a natural gas supply. Natural gas is often used as a fuel source for outdoor grills as an alternative to propane. It's a cost-effective and convenient option for those with access to a natural gas line at their outdoor cooking area. 2. **Screen:** The term "screen" here might refer to a protective screen or cover designed to shield certain components of the grill or burner from debris, grease, or other elements that could affect performance or safety. 3. **Infrared Rear Burner:** An infrared rear burner is a specialized burner that emits intense, radiant heat. It's often used for tasks like rotisserie cooking, searing, or quickly heating food. Infrared burners can provide high and consistent heat, making them a valuable feature for certain cooking techniques. 4. **CE 485:** This could be a model number or designation for the specific grill or outdoor cooking appliance in question, such as the Napoleon Prestige PRO 485 RSIB. It helps identify the exact product or model with this configuration. Overall, the "Natural Gas Screen, Infrared Rear Burn CE 485" suggests that this particular grill or outdoor cooking appliance is configured for use with natural gas, features an infrared rear burner, and is likely part of the Napoleon Prestige PRO 485 RSIB series. This combination of features can provide versatility and precision in your outdoor cooking adventures.