The Laerdal 300-04450 Plug; Arm-Adult 1 Pc-Std is a replacement arm plug designed for compatible Laerdal adult training manikins. This standard one-piece component helps maintain the integrity and functionality of the manikin during clinical simulation exercises. Engineered for durability and easy installation, the arm plug supports realistic healthcare training environments and ensures continued performance of simulation equipment used in nursing, medical, and allied health education programs.