Quick view Welch Allyn HR-100 Holter and Software Welch Allyn HR-100 Holter and Software Designed to improve patient compliance thanks to its lightwei MSRP: Was: Now: £1,616.40 - £4,983.60 (Inc. VAT) MSRP: Was: Now: £1,347.00 - £4,153.00 (Ex. VAT) Options