ECG / EKG Medical Grade Recording Chart Paper, Z-Fold Pad, Red Grid, 216x280x218, Equivalent to Quinton 15022-001, Q3000, Q4000, Kendall 01083203, 2847356 Fits Quinton Models 4000K/BK, Q3000, Q3040 and Q4000 (sold by the pad, 10 pads per case) Availability: Usually ships the same business day Quinton 15022-001 equivalent A110881$9.58 Copyright 2006-2011, A1cardiology.com