The HP Chart Paper from Leonhard Lang is designed for use with HP ECG/EKGs. Configurations HP Chart Paper Configurations #11335: Fits Models XL1's, 100/200, M1700A, M1701A, 1702A, M1710A, M1770A, M1771A, and M1772A. Blank Header, Red Grid. Size: 216 mm x 280 mm x 300 sheet Pad, 10/Case. Equivalent to: Hewlett Packard M1707A. #14078: Fits Models M1350A/B, M1351A ,M1353A, Series 50, Advanced Medical Systems IM77, and Air Shields-Vickers AMS IM77. Red Grid. Size: 150 mm x 100 mm x 150 sheet Pad, 100/Case. Equivalent to: Hewlett Packard M1910A. #12426: Fits Models Case 12/15/16, Centra, MAC 6/8/12/15, MAC VU, MAX-1, Muse 1000/3000/5000, and Muse 45F/G Writer. Red Grid. Size: 215 mm x 280 mm x 300 sheet Pad, 10/Case. Equivalent to: Hewlett Packard M2232A. #12425: Fits Models Case 12/15/16, Centra, Mac 6/8/12/15, Mac VU, Max-1, Muse 1000/3000/5000, and Muse 45F/G Writer. Blank Header, Red Grid. Size: 214 mm x 280 mm 300 sheet Pad, 10/Case. Equivalent to: GE Medical - E9001E, 2104769-001, 2104770-001, 9402-024, and 9902-024 / Kendall - 31002184 and 6921357. #8545: Premium 40453 ECG/EKG recording chart paper. Header, Black Grid. Size: 50 mm x 30 m Roll, 50/Case. Equivalent to: Hewlett Packard 40451, 40453, 9270-0980. #4495: Fits Models 8020, 8021, 8030, 8031, 8032, 8040, 8041A, 8025A/B, and 8032A/B. Red Grid. Size: 152 mm x 100 mm x 150 sheet Pad, 100/Case. Equivalent to: Hewlett Packard 40454. #8605: Fits Models 78560A, M1029A, M1116A/B, M1118A/B, M1122A, M1125A, M2340A, M2350A, M2360A, and M1116A/B. Array (Blank) Grid. Size: 50 mm x 30 m Roll, 50/Case. Equivalent to: Hewlett Packard 40477, 40477A, 40477B. #10907: Hewlett Packard 4650-9005 premium ECG/EKG recording chart paper. Array (Blank) Grid. Size: 50 mm x 30 m Roll, 50/Case. Equivalent to: Hewlett Packard 4650-9005. #8704: Hewlett Packard 4650-9600 premium ECG/EKG recording chart paper. Red Grid. Size: 63 mm x 46 m Roll, 100/Case. Equivalent to: Hewlett Packard 4650-9600 #13431: Hewlett Packard 4650-9656 premium ECG/EKG recording chart paper. Red Grid. Size: 152 mm x 90 mm x 160 sheet Pad, 100/Case. Equivalent to: Hewlett Packard 4650-9656. #8549: Hewlett Packard 4650-9677 premium ECG/EKG recording chart paper. Red Grid. Size: 50 mm x 30 m Roll, 50/Case. Equivalent to: Hewlett Packard 4650-9677. #13126: Hewlett Packard 4650-9700 premium ECG/EKG recording chart paper. Black Grid. Size: 63 mm x 45.72 m Roll, 100/Case. Equivalent to: Hewlett Packard 4650-9700.