ECG / EKG Medical Grade Recording Chart Paper, Roll, Red Grid, 50x100, Medical Grade Recording Chart Paper Equivalent to: Burdick 007940 and 007912, Kendall 10669183, 4523865. Fits Burdick models DC-180, DC-185, EK-100, Medic 3,4 and 5, REC-8 and WR-1 (sold by the roll, 50 rolls per case) Availability: Usually ships the same business day. Burdick 007940 equivalent A18549$1.02 Copyright 2003-2005, 2006 A1Cardiology.com