Filters

PulmoGuard N Filters for ndd™ Spirometers

PFT filter that fits most ndd™ devices without an adapter.

PulmoGuard MG Filters

PFT filter designed for use on MGC® with Prevent®
*Prevent Not Included

PulmoGuard S Filters (Alternate to MicroGard)

PFT filter designed as perfect replacement for Microgard.

PulmoGuard C Filters

PFT filter designed for use with WelchAllyn, Collins, and Astra equipment.

PulmoGuard Filters

The leader in PFT filters – fits most PFT devices without adapters.

PulmoGuard K Filters

PulmoGuard K Disposable PFT filter

Filtrette Mouthpiece for ndd™ Spirometers

The Filtrette disposable filter mouthpiece for ndd™ spirometers.

PulmoGuard Q Filters for MidMark IQ Spirometers

PFT filter designed for use on Midmark® IQ Spiro®.

AstraGuard Filters

AstraGuard Disposable Filter for Spirometers and PFT.

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

SmartSense Disposable Spirometer Mouthpiece for Midmark™ IQspiro™ Spirometer

Accurette™ Mouthpiece

The Accurette™ mouthpiece is the perfect replacement for the ndd Spirette™.

PulmoGuard II Filters

PulmoGuard A Filters

PulmoGuard A Filters for ndd™ EasyOne Air™ Spirometer

PFT filter that fits ndd™ EasyOne Air™ Spirometer without an adapter.

PulmoGuard V Filters

PulmoGuard V PFT filter designed for use with Vitalograph, Morgan, MIR, and Micro Direct equipment.