Laerdal-VT-404 Chest Tissue Flap - Dark 1/EALaerdal VT 404 Chest Tissue Flap Dark is a replacement training component designed for use with compatible Chester Chest simulators. It provides a realistic dark tone tissue surface for practicing vascular access and related clinical procedures. This flap helps maintain the effectiveness and realism of training models, making it ideal for medical and nursing education environments that require repeated hands on practice.