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FILTER · COBALT®

COBALT® HEPA Filter

The Surgically Clean Air® genuine HEPA Filter for the COBALT® Air Purification System captures over 99.9% of airborne particles as small as 0.003 microns — including dust, pollen, viruses, and pet dander — to help maintain cleaner, healthier indoor air in your space.

★★★★★ 4.9/5 average rating from clinics and offices using COBALT.
SIZE
Pricing
$XXX From $X / filter Price updates based on size selection.
Quantity
Compatible with
COBALT® air purification system
Filtration
Genuine HEPA for fine particles
Change interval
Typically once per year*

*Filter life depends on usage and environment. Enterprise pricing or product questions? Call 1.877.440.7770.

Pair COBALT® filters with the right system and accessories.

Achieve peak performance by pairing genuine filters with the COBALT air purification system, carbon options for odor control, and other Surgically Clean Air® units.

System COBALT ceiling-mounted air purifier

COBALT® Air Purifier

Ceiling-mounted COBALT delivers continuous, whisper-quiet air purification above your most important spaces.

Accessory COBALT HEPA Carbon Hybrid Filter

HEPA Carbon Hybrid Filter

Add activated carbon to tackle odors, smoke, and VOCs while maintaining high-efficiency particle capture.

Explore Surgically Clean Air purifier lineup

Explore More Air Purifiers

Discover Surgically Clean Air systems designed for homes, clinics, and high-demand professional environments.

See how COBALT® purifies the air.

Pure, powerful, multi-stage filtration. Experience the advanced engineering that helps capture particles, noxious odors, and airborne pathogens with precision.

Video or animation placeholder – drop in COBALT demo here.

  • Watch how air moves through COBALT’s multi-stage filtration system.
  • See particles, allergens, and pathogens intercepted and captured.
  • Understand why ceiling-mounted purification delivers consistent coverage.

Engineered to capture more — and keep COBALT performing at its best.

The genuine COBALT HEPA Filter is a critical part of COBALT’s multi-stage air purification system, built to intercept and capture microscopic particles with precision.

High-efficiency filtration

Captures over 99.9% of airborne particles as small as 0.003 microns, including dust, pollen, mold, and viruses, helping support healthier air in clinics, offices, and shared spaces.

Multi-stage protection

A pre-filter helps capture larger particles like dust and hair, while the genuine HEPA media is independently lab-tested to remove microscopic contaminants with exceptional efficiency.

Durable, easy to maintain

Built with long-lasting materials and designed for straightforward filter replacement, so facilities teams can keep COBALT running at peak performance with minimal downtime.

COBALT® HEPA Filter specifications.

Learn more about filter sizing, weight, compatibility, and replacement recommendations for COBALT’s genuine HEPA filter.

Dimensions & weight

  • Product dimensions (L × W × H), 2×2: 15.5 × 9 × 3 in
  • Weight (2×2): 1.60 lbs / 0.73 kg
  • 2×4 filter: dimensions and weight vary by model size

Compatibility & replacement

  • Compatibility: COBALT® Air Purification System
  • Filter replacement: typically once per year under normal use
  • Indicator: COBALT’s illuminated logo flashes when filters require replacement

Built to capture the particles you care about most.

The COBALT HEPA Filter targets everyday and high-risk airborne contaminants, playing a vital role within COBALT’s multi-stage filtration system.

Bacteria Viruses Dust Mold Pet dander Pollen

Documents, guides, and filter-change instructions.

Access key resources to help you install, operate, and maintain COBALT and its genuine filters.

Brochure

Learn how COBALT integrates into your ceiling and delivers continuous, high-efficiency air purification.

Download brochure →

Questions? Contact us at 1.877.440.7770 or fill out our contact form.

COBALT® filter FAQs.

We’re here to make your clean air journey simple, seamless, and stress-free. Contact us at (877) 440-7770 for any question.

How often do I need to change the filters?

Filter life depends on your environment and usage. The HEPA filter typically lasts up to one year, and the HEPA Carbon Activated Filter lasts around six months. COBALT’s illuminated logo flashes when filters require replacement, so your system can always operate at its best.

How quiet is COBALT during operation?

COBALT operates with whisper-quiet performance, ideal for professional and shared environments where focus and comfort matter.

COBALT (2’×2’): 22.5 dB(A) on low to 47.5 dB(A) on high
COBALT (2’×4’): 30.6 dB(A) on low to 51.9 dB(A) on high

Even at Turbo, COBALT maintains a low noise level suited to offices, dental clinics, medical spaces, and other work environments that need clean air without disruption.

Does COBALT help with allergies or asthma?

Yes. COBALT is designed to capture airborne allergens such as pollen, pet dander, and dust that can trigger allergy and asthma symptoms. The genuine HEPA Filter captures greater than 99.9% of microscopic particles as small as 0.003 microns.

Can COBALT remove odors and smoke?

COBALT can help remove odors and smoke when equipped with the HEPA Carbon Hybrid Filter (sold separately). This specialized filter combines HEPA and activated carbon technology to capture fine particles while adsorbing odors from cooking, cleaning products, and wildfire smoke.

How do I file a warranty claim?

To review full warranty terms and start a claim, please visit our Warranty page or reach out to our support team at 1.877.440.7770.

Ready for cleaner air with COBALT®?

Request a quote or speak with an air purification expert today. We’ll help you find the right configuration for your space.

Request a Quote

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