Compatible with the following OMRON devices Tubing length approx 75cm Supplied with connector. Compatible with: M1 Basic (HEM-7121J-AF / HEM-7121J-LAF), M2 Basic (HEM-7121J-E), M2 (HEM-7121-E), M300 (HEM-7121-D), M400 (HEM-7131-D), M3 Family (HEM-7133-ALRU), M3 (HEM-7154-E / HEM-7131-E), MIT3 (HEM-7270-E), MIT5s connect (HEM-7280T-E).