{"product_id":"qrs-3l-calibration-syringe","title":"QRS 3L Calibration Syringe","description":"\u003cp\u003e  \t \u003c\/p\u003e  \u003ch1 style=\"color: rgb(102, 102, 102); font-size: 14px; margin: 0px; font-family: Helvetica, Arial, sans-serif; text-align: center;\"\u003e  \tQRS 3L Calibration Syringe\u003c\/h1\u003e  \u003cp style=\"color: rgb(102, 102, 102); font-size: 14px; margin: 0px; font-family: Helvetica, Arial, sans-serif; text-align: center;\"\u003e  \t \u003c\/p\u003e  \u003cp style=\"color: rgb(102, 102, 102); font-size: 14px; margin: 0px 0px 0px 40px; font-family: Helvetica, Arial, sans-serif;\"\u003e  \t \u003c\/p\u003e  \u003cp style=\"font-size: 14px; margin: 0px;\"\u003e  \tQRS sells a three liter Volume Calibration Syringe designed to fit the QRS spirometers. Although QRS spirometers cannot be calibrated in the field, the syringe allows you to check your calibration. According to ATS Guidelines, the volume accuracy of the spirometer must be checked at least daily.\u003c\/p\u003e  \u003cp style=\"font-size: 14px; margin: 0px;\"\u003e  \t \u003c\/p\u003e  \u003cp style=\"font-size: 14px; margin: 0px;\"\u003e  \t \u003c\/p\u003e  \u003cp style=\"font-size: 14px; margin: 0px;\"\u003e  \t \u003c\/p\u003e  \u003cp style=\"font-size: 14px; margin: 0px;\"\u003e  \t \u003c\/p\u003e  ","brand":"QRS","offers":[{"title":"Default Title","offer_id":46350498332803,"sku":"723000-00","price":350.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0698\/0891\/4563\/files\/QRS_20Volume_20Calibration_20Syringe-01_8e465356-ed45-4775-af7f-af386c58c1b9.png?v=1768284272","url":"https:\/\/discountcardiology.com\/products\/qrs-3l-calibration-syringe","provider":"Discount Cardiology","version":"1.0","type":"link"}