AstraGuard™ Bacterial / Viral Filter, 1 Box of 100 Bed Wetting Alarms accurate closure with a series

accurate closure with a series of audible "clicks"

IDDSI-rated (International Dysphagia Diet Standardisation Initiative) honey consistency

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

blue color quickly develops for easy-to-interpret results

AstraGuard™ Bacterial / Viral Filter, 1 Box of 100 Bed Wetting Alarms accurate closure with a seriesThe 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