ECG / EKG Medical Grade Recording Chart Paper, Roll, White Grid, 57x25, Equivalent to Seiko TP57B100 Fits Seiko models: DPU-201S, 0058-006CL, H35415 and Welch Allyn B-P Lifesign 52STP (sold by the roll, 50 rolls per case) Availability: Usually ships the same business day Seiko TP57B100 and TP201-111-25 equivalent A113122$1.89 Copyright 2006-2011, A1cardiology.com