Replacement Soft Strap/Chest belt for Garmin Heart Rate Monitor HRM2-SS HRM3 -SS | eBay
STL file GARMIN HRM3-SS heart rate monitor battery cover・3D printing model to download・Cults
Garmin HRM 3-SS will connect/pair with forerunner 35 but will not show heart rate (see picture) - Accessories & Sensors - Running/Multisport - Garmin Forums
Garmin Premium HRM3-SS 15/220/225/620/910XT/920XT Elastic Band, Black | Bikeinn