Bacterial/Viral Filter for Pulmonary Function Testing

The AstraGuard Bacterial/Viral Filter provides virtually perfect infection protection for expiratory and inspiratory spirometry testing. Its single-patient use greatly reduces costly and time-consuming disinfection procedures.

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.

AstraGuard Features

• 99.9% Bacterial and viral efficiency*
• Low resistance to air flow
• Small, non-threatening size
• Comfortable oval mouthpiece
• Reduces risk of cross-contamination
• Less time spent disinfecting equipment

Download AstraGuard Brochure.

Cross-section of filter

Shows placement of interior media. Edge of media is bonded to exterior housing to form tight seal.

Interior filter media

Woven material is tailored to fit inside mouthpiece.

		Part No.	Description	Qty.	Packaging
		29-7990-050	AstraGuard™ Filter	50	Box
		29-7990-100	AstraGuard™ Filter	100	Box
		29-7990-200	AstraGuard™ Filter	200	4 Boxes/50ct
		29-7990-300	AstraGuard™ Filter	300	Box

AstraGuard™ Kits

		Part No.	Description	Qty.	Packaging
		29-7996-050	AstraGuard™ Filter + The Kushion Klip	50	Box
		29-7996-100	AstraGuard™ Filter + The Kushion Klip	100	Box
		29-7996-200	AstraGuard™ Filter + The Kushion Klip	200	4 Boxes/50ct
		29-7996-300	AstraGuard™ Filter + The Kushion Klip	300	Box

The AstraGuard™ PFT Filter is designed to fit all Astra™ Spirometers. 

Astra 300™

AstraTouch™

Astra BT™