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SDI Diagnostics

Bacterial / Viral Filter AstraGuard

PRODUCT HIGHLIGHTS

  • 99.9% Bacterial/Viral Efficiency – Meets high standards for infection prevention

  • Woven Filter Media – Offers reliable, consistent performance

  • Low Airflow Resistance – Enables accurate spirometry results

  • Disposable Design – Single-use to prevent contamination
  • Fast Delivery
  • Auto Delivery , Free Shipping For $100 Above Products
Item Description Quantity Price
29-7990-100
FILTER, ASTRAGUARD PULMONARY
In stock, ships from your local warehouse
Box of 100

List Price:$360.99

Price:$349.99

You save $11.00

29-7990-050
FILTER, ASTRAGUARD MOUTHPIECE F/SPIROMETER
In Network - ships to arrive in 2-5 business days
Box of 50

List Price:$258.99

Price:$250.99

You save $8.00

View full details

Description

AstraGuard Bacterial/Viral Filter – Trusted Protection for Pulmonary Testing

The AstraGuard Bacterial/Viral Filter by SDI Diagnostics is engineered for maximum infection control during spirometry and pulmonary function tests (PFTs). Designed with a high-efficiency woven filter, AstraGuard provides 99.9% bacterial and viral filtration efficiency, minimizing the risk of cross-contamination between patients and clinicians.

Available in two models—with or without a pre-attached mouthpiece—these filters are disposable, single-patient use, and feature low airflow resistance to ensure accurate test results and patient comfort. The oval-shaped mouthpiece (on select models) is designed to be comfortable and non-intimidating, especially for pediatric or anxious patients.


Key Features

  • 99.9% Bacterial/Viral Efficiency – Meets high standards for infection prevention

  • Woven Filter Media – Offers reliable, consistent performance

  • Low Airflow Resistance – Enables accurate spirometry results

  • Disposable Design – Single-use to prevent contamination

  • Comfortable Fit – Small, oval mouthpiece on select models for improved patient experience

  • Non-threatening Size – Ideal for pediatric and adult patients alike

  • Ready-to-use – Some versions include an integrated mouthpiece for convenience


📦 Product Comparison

Model With Mouthpiece For Use With Features
29-7990-100 Yes Pulmonary Function Test Woven filter, oval mouthpiece, high efficiency
29-7990-050 No Pulmonary Function Test Woven filter, standard inlet, disposable

📝 Product Specifications

Specification Details
Manufacturer # 29-7990-100 / 29-7990-050
Brand AstraGuard™
Manufacturer SDI Diagnostics
Country of Origin United States
Application Bacterial / Viral Filter
Use Pulmonary Function Testing
Filtration Efficiency 99.9% BFE and VFE
Resistance Low Resistance to Air Flow
Mouthpiece Included (29-7990-100 only), Oval shape
Sterility Non-Sterile
Usage Disposable, Single-Patient Use
UNSPSC Code 42272219