ECG / EKG Medical Grade Recording Chart Paper, Z-Fold Pad, Red Grid, 210x280x180, Equivalent to Shiller 2157-025 Fits Schiller models: Cardiovit, AT-102 (sold by the pad, 10 pads per case) Availability: Usually ships the same business day Shiller 2157-025 equivalent A112760$10.99 Copyright 2006-2011, A1cardiology.com