ECG / EKG Medical Grade Recording Chart Paper, Z-Fold Pad, Red Grid, 210x140x142, Equivalent to Nihon-Kohden PA-9100Z, 7314825. Fits Nihon Kohden models: Cardiofax Q, ECG-9100, ECG-9110K and ECG-9130K (sold by the pad, 20 pads per case) Availability: Usually ships the same business day Nihon-Kohden PA-9100Z equivalent A113108$5.82 Copyright 2006-2011, A1cardiology.com