ECG / EKG Medical Grade Recording Chart Paper, Z-Fold Pad, Red Grid, 216x280x218, Equivalent to Quinton 16631-002, Q700, Kendall 30552429, 4358744. Fits Quinton models Q700 / Q700A (sold by the pad, 10 pads per case) Availability: Usually ships the same business day Quinton 16631-002 equivalent A111620$9.56 Copyright 2006-2011, A1cardiology.com