The startup develops filtration nanotechnology utilizing nanofibers to effectively capture hazardous air pollutants at micrometer and sub-micrometer sizes. This technology provides personal and home users with a means to reduce exposure to air pollution, enhancing indoor air quality.
Funding
$7M raised to dateRaised to date based on public sources. This may differ from the amount the company actually raised and is based only on what is publicly available on the internet.
Founders
Product
Problem
Exposure to hazardous airborne particles, including PM2.5 and smaller, poses significant health risks, yet effective and breathable filtration solutions for personal and industrial use remain limited. Existing filtration technologies often struggle to balance high capture efficiency with comfortable air resistance, hindering widespread adoption and consistent protection.
Solution
4C Air develops and markets nanotechnology-based air filtration solutions designed for superior particle capture and breathability. Utilizing patented BreSafe nanomaterials, the company creates face masks and filtration media that effectively remove hazardous airborne particles at micrometer and sub-micrometer sizes. 4C Air's nanotechnology achieves high filtration efficiency of PM2.5 and smaller particles while maintaining low air resistance, enhancing user comfort and compliance. The company's products cater to both personal and industrial applications, providing innovative solutions for clean air in diverse environments. 4C Air also offers NIOSH respirator testing services to organizations seeking to certify their filtration products.
Target Audience
The primary target audience includes consumers seeking personal protection from air pollution, industrial clients in automotive, aerospace, healthcare, and HVAC industries, and organizations requiring NIOSH respirator testing services.
Features
- Patented BreSafe nanotechnology developed for optimal filtration performance
- Nanomaterials capable of filtering hazardous particles at PM2.5 and below with low air resistance
- Face masks certified to KN95 standards, providing >95% protection against 300 nm particles
- NIOSH pre-submission testing services for N95, N99, N100, P95, P99, P100, R95, R99, and R100 respirators
- Testing lab compliant with NIOSH testing standards and US 42 CFR 84 filter assessments
- ASTM F3502-21 certified testing reports available
- Products developed for personal environmental protection, materials & textiles, industrial & consumer filtration, and environmental sustainability