Details Millions of Americans suffer from asthma. The Mini-Wright AFS™ Low Range Peak Flow Meter is an important yet inexpensive device that can make a difference in the control of your asthma. Daily measuring of how quickly you can expel air from your lungs can help you and your doctor manage your asthma. Each device is individually calibrated for absolute accuracy. This device is portable, lightweight, and easy to clean. Recommended for small children and those with with lower PEF rates. Measures PEF (ATS scale) between 30-400 L/min (liters per minute). Not made with natural rubber latex. Product Includes: Peak Flow Meter, Reusable Mouthpiece, and Instruction Manual Model 50-038-004 var acc = document.getElementsByClassName("accordion"); var i; for (i = 0; i < acc.length; i++) { acc[i].addEventListener("click", function() { this.classList.toggle("active"); var panel = this.nextElementSibling; if (panel.style.maxHeight) { panel.style.maxHeight = null; } else { panel.style.maxHeight = panel.scrollHeight + "px"; } }); }
