{"product_id":"fpf-s1-peak-flow-meter","title":"FPF-S1 Peak Flow Meter","description":"\u003cp class=\"p1\"\u003eThe FPF-S1 peak flow meter helps families track peak expiratory flow (PEF) at home with a simple one-blow routine. A turbine airflow structure with infrared interruption sensing measures PEF from 50–900 L\/min, while the device stores up to 500 records and keeps the highest value from each measurement session. Lightweight at about 108 g without batteries, it runs on two AAA batteries and supports daily morning\/evening breathing trend checks for users age 5+ with adult supervision when needed.\u003c\/p\u003e","brand":"FondCircle","offers":[{"title":"Default Title","offer_id":50434215739703,"sku":"FPF-S1","price":59.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/7856\/9783\/files\/6_FPF-S1_SPIROMETER.jpg?v=1753392242","url":"https:\/\/www.fondcircle.com\/products\/fpf-s1-peak-flow-meter","provider":"FondCircle","version":"1.0","type":"link"}