ECG / EKG Medical Grade Recording Chart Paper, Roll, Red Grid, 50x100, Medical Grade Recording Chart Paper Equivalent to: Nihon Kohden FPS50-3-75 Fits Nihon Kohden models Cardio-Fax 5151 and 6551-A, Lifescope 1 1/4, TEC 2000 and 5200A (sold by the roll, 50 rolls per case) Availability: Usually ships the same business day Nihon Kohden FPS50-3-75 equivalent A18549E$1.02 Copyright 2006-2011, A1cardiology.com