ECG / EKG Medical Grade Recording Chart Paper, Z-Fold Pad, Red Grid, 210x140x160, Equivalent to Schiller 2157-012A, Kendall 30999174, 6412421. Fits Schiller models AT-10, SP-10 and 8000 (sold by the pad, 20 pads per case) Availability: Usually ships the same business day Schiller 2157-012A equivalent A113085$4.79 Copyright 2006-2011, A1cardiology.com