The Midea 12120600A20497 Sealing Board is a genuine OEM window-kit component designed for select Midea portable air conditioners. This board helps create a tight seal in the window opening, preventing warm air, dust, and insects from entering while the exhaust hose is installed. Replacing a cracked or warped sealing board restores proper airflow efficiency and ensures stable cooling performance. Key Features OEM sealing board for Midea portable AC window installations Ensures proper sealing around the exhaust opening Helps maintain cooling efficiency by reducing air leakage Durable construction built for repeated seasonal use Easy installation with compatible slider/window kits Specifications Part Number: 12120600A20497 Component Type: Sealing Board Application: Portable Air Conditioner Window Kit Material: OEM-grade molded plastic Function: Air sealing and exhaust interface support Compatible Models (shortened list) MPPH08CRN1BI0 MPPH10CRN1BI0 AKPH10CR81 KP08N3WBA1RCM KP10N3WBA1RCM OP08N3WBA1RCM OP10N3WBA1RCM ?and more. Why Choose This Item This genuine Midea sealing board provides the correct fit and sealing performance required for your portable AC to operate efficiently. It prevents unnecessary air infiltration and restores proper exhaust routing, ensuring optimal cooling output and reliable operation.