The Midea 12120600004745 Sealing Board is a genuine OEM replacement panel used in portable air conditioner window/door installation assemblies. This board helps create a tight seal around the exhaust port, preventing warm outside air, insects, or moisture from entering the room. A proper seal is essential for efficient cooling performance?damaged or missing panels reduce system capacity and increase energy use. Key Features Authentic Midea OEM sealing board Ensures a secure, insulated barrier during installation Supports correct exhaust duct mounting and airflow Helps maintain cooling efficiency by eliminating air leaks Durable construction suitable for repeated seasonal use Specifications Part Number: 12120600004745 Part Type: Sealing Board Application: Portable Air Conditioner Window/Door Installation Function: Provides airtight sealing around exhaust opening Compatible Models (shortened list) MPPH08CRN1BI0 MPPH10CRN1B10 MPPH10CRN1BI0 KAP10R1AWT WPPH08CR9N 10KPH KAP08R1AWT KAP10R1BWT MPPHB05CRN8BCF1 MPPHB07CRN8BCF9 ?and more. Why Choose This Item A proper sealing board is critical for efficient operation of any portable AC. This OEM replacement ensures an exact fit, restores airflow integrity, and improves overall cooling effectiveness by preventing unwanted heat infiltration.