Dri-Eaz DefendAir HEPA 500 Replacement Filter (F321-Compatible)

Name: Dri-Eaz DefendAir HEPA 500 Replacement Filter
Brand: Dri-Eaz
Price: 149.99 USD
Availability: InStock

Keep your HEPA 500 Air Scrubber performing at its best with a true HEPA replacement filter engineered for dependable filtration and fast, simple replacement.

View Features

99.97%

Efficiency

0.3 micron

Particle Size

16 x 19 x 2.5 in

Dimensions

New

Condition

Dri-Eaz DefendAir HEPA 500 Replacement Filter F321

1–3 units

$149.99

per unit

Best deal

4+ units

$100.00

Save $200!

AvailabilityIn stock

Why buyers choose this filter

Designed for air quality restoration and cleanup work where reliable particulate filtration matters.

True HEPA Performance

Rated 99.97% efficient against particles 0.3 microns or larger for dependable filtration.

OEM Fit

Made specifically for the Dri-Eaz HEPA 500 Air Scrubber for proper fit and easy replacement.

Rigid Plastic Frame

Built with a plastic frame to help support easy handling during installation and replacement.

Ideal for Restoration Work

Useful during remodeling, smoke cleanup, dust control, and water damage restoration projects.

Product specifications

BrandDri-Eaz

Model / MPNF321

Product TypeHEPA 500 replacement filter

Efficiency99.97%

Filtration Size0.3 micron particles or larger

Dimensions16 in × 19 in × 2.5 in

FramePlastic

Use CaseAir scrubber filtration during cleanup and restoration

Best for

Water damage restoration

Construction dust control

Remodeling cleanup

Smoke and odor mitigation support

Commercial job sites

Contractors and restoration teams

Replace filters regularly to maintain airflow, filtration performance, and cleaner indoor working conditions.

Ready to replace your HEPA 500 filter?

Upgrade your air scrubber with a Dri-Eaz F321 compatible filter built for reliable performance and straightforward installation. Secure checkout powered by PayPal.