AstraGuard™ Bacterial / Viral Filter, 1 Box of 100 Bed Wetting Alarms 110 count refill

110 count refill

blue color quickly develops for easy-to-interpret results

accurate closure with a series of audible "clicks"

The Adapt Ceraring™ barrier rings are latex-free and are beige

The water-resistant material is safe for use when washing up

AstraGuard™ Bacterial / Viral Filter, 1 Box of 100 Bed Wetting Alarms 110 count refillThe AstraGuard Bacterial Viral Filter provides virtually perfect infection protection for expiratory and inspiratory spirometry testing This easy to use disposable mouthpiece incorporates a highly efficient woven filter that virtually eliminates cross contamination from patient to patient and from patient to health care professional Low resistance to air flow 99. 9% Bacterial and viral efficiency Small, non threatening size