ECG / EKG Medical Grade Recording Chart Paper, Rolls, Array (Blank) Grid, 50x100. Equivalent to Datascope 0683-00-0422 (sold by the roll, 50 rolls per case) Availability: Usually ships the same business day. Datascope 0683-00-0422 equivalent A110907C$0.87 Copyright 2003-2005, 2006 A1Cardiology.com