This Sun Med Vyaire Recording Chart Paper is specifically designed for the GE Mac 800 ECG machine, ensuring compatibility and optimal performance. Measuring 4-3/10 x 5-1/2 inches, this Z-fold paper provides excellent trace legibility thanks to its quality paper stock. The convenient Z-fold design, along with perforations, allows for uninterrupted printing without the need to load individual sheets, streamlining your workflow. Each unit contains one count of this essential supply.