A well-designed air filtration system lies at the heart of hospital cleanroom operation. It directly determines the environmental cleanliness, medical safety and infection control effect
What Is a Fan Filter Unit (FFU)? A Fan Filter Unit (FFU) is a self-contained air delivery module that combines a fan, a prefilter and
What Is a Gel Seal HEPA Filter? A gel seal HEPA filter (also called a fluid-seal or knife-edge filter) seals into its housing using a
What Is a High Temperature HEPA Filter? A high temperature HEPA filter is a HEPA filter engineered to operate continuously in hot air streams —
What Is an Air Prefilter? A prefilter is a coarse or medium-efficiency air filter placed upstream of a HEPA or ULPA filter. Its job is
What Is a ULPA Filter? A ULPA (Ultra-Low Particulate Air) filter captures at least 99.9995% of particles at the most penetrating particle size — a
Certified IATF16949 for filter quality management
Own CNAS lab & provincial filter R&D & design centers
185-acre smart factory with 12 full-auto production lines
Annual output 60 million filters, 3000+ specifications
The Challenge: Contamination Is Costing You
Cleanroom contamination is invisible — until it destroys a batch, cuts your yield, or shuts down a coating line. A single failed or counterfeit filter can fail an audit, delay delivery, and burn thousands in rework. When standard sizes don’t fit, offshore sourcing turns into weeks of waiting.
Our Solution: Certified Filters, Built for Your Cleanroom
Onecleans is a CNAS-certified cleanroom filter manufacturer with two smart production bases in Foshan and Shenzhou (185 acres), 12 automated lines and 60 million units of annual capacity. Every filter is tested in our CNAS-accredited laboratory before shipment. We cover the full range — HEPA, ULPA, prefilters, high-temperature and gel-seal filters, plus FFU and cleanroom equipment — available in custom sizes with short lead times, developed with German R&D partners and backed by 80+ filtration patents.
Proven Where It Matters
Our filters protect pharmaceutical, semiconductor, coating and food plants in more than 100 countries, supported by strict ISO quality control and per-batch test reports. Request our datasheets and test reports, or talk to our engineers — we’ll help you specify the right filter the first time.
