ECG / EKG Medical Grade Recording Chart Paper, Pack of 200 sheets, Red Grid, 4cm Header, 8.5" x 11". Premium Medical Recording Chart Paper equivalent to HP 4700AHK11 Fits Hewlett Packard Pagewriter and models: 4700/45/60/65A (200 sheets per pack) Availability: Usually ships the same business day Philips - HP 4700-AHK-11 equivalent A113109Regular price: $9.59Sale price: $7.99 Copyright 2006-2011, A1cardiology.com