Breathe cleaner, healthier air with the Austin Air F400 Large Pre-Filter — the essential first line of defense for your Austin Air purifier. Trusted by ergonomic specialists and indoor air quality experts, this genuine replacement filter captures large particles and extends the life of your HEPA system for maximum performance.

Why You'll Love It:

• Extends HEPA filter life by capturing dust, pet dander, and large airborne particles before they reach your main filter
• Reduces allergens and chemical sensitivities — ideal for asthma sufferers, families, and anyone seeking cleaner indoor air
• Easy to replace — simple maintenance keeps your Austin Air system running at peak efficiency
• Genuine Austin Air quality — designed specifically for optimal compatibility and performance
• Supports healthier workspaces — cleaner air means better focus, fewer sick days, and improved productivity

Product Specifications:

• Model: F400 Large Pre-Filter
• Compatible with: Austin Air purifier systems
• Function: Pre-filtration stage for large particle capture
• Recommended for: Allergies, asthma, chemical sensitivities, pet owners, and general air quality improvement
• Replacement frequency: Every 6–12 months depending on usage and air quality

Backed by Ask Ergo Works' 30+ Years of Expertise
As a full-service ergonomics company, we understand that a healthy workspace goes beyond furniture — it includes the air you breathe. We've helped thousands of clients create healthier, more productive environments through expert assessments and trusted product recommendations.

Upgrade your air quality today — and experience the difference that expert-recommended filtration makes. Your lungs (and your HEPA filter) will thank you.