Cleanroom FFU
High Efficiency Air Outlet
The High Efficiency Air Outlet, also known as HEPA Air Outlet, is a terminal air supply device in cleanroom HVAC purification systems. Installed on the cleanroom ceiling, it houses a high-efficiency filter and delivers treated clean air uniformly into the cleanroom.
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High Efficiency Air Outlet (HEPA Air Outlet): Terminal Clean Air Diffuser
The high efficiency air outlet (HEPA air outlet) is a terminal air-supply device in cleanroom HVAC purification systems. Ceiling-mounted, it houses a high-efficiency filter and delivers treated clean air uniformly into the room — an economical alternative to full FFU coverage for ISO Class 6–8 areas.
It integrates with our fan filter unit (FFU), FFU ceiling grid and HEPA supply module (GSM) ranges.
High Efficiency Air Outlet Specifications
Standard configuration for the Wonclean high efficiency air outlet. Size, filter class and finish are all customizable to project and cleanroom classification requirements.
| Face velocity | 0.25–0.45 m/s (adjustable via integrated damper) |
|---|---|
| Uniformity | ≥ 90% across full face at 0.3 m downstream |
| Particle retention | ≥ 99.99% at 0.3 µm |
| Frame dimensions | 595×595×120 mm (up to 1195×595 mm custom) |
| Weight | 4.2 kg (aluminum) / 6.8 kg (stainless steel) |
| Max temperature | 60°C continuous (80°C short-term ≤ 30 min) |
| Pressure drop | 42–48 Pa at 0.35 m/s |
| Compatible filters | HEPA H13/H14, ULPA U15/U16 |
| Seal life | Dual-seal gasket beyond 20,000 operating hours |
| Compliance | SEMI F21 · ISO 14644-3 · ASHRAE 129 |
Values shown are standard/representative configurations. Confirm final certified figures (airflow, filter integrity) against the project datasheet before specification — Wonclean issues a stamped datasheet with every quotation.
High Efficiency Air Outlet Construction
The low-shear diffuser geometry is the engineering secret. A dual-seal gasket and ceramic-coated stainless pivots deliver laminar guidance and long-term integrity, while a low-profile housing preserves headroom and field-replaceable wear parts need only two hex keys.
Why Choose Our High Efficiency Air Outlet
Laminar, low-shear airflow
High-velocity, low-shear discharge with ≥ 90% uniformity for stable ISO Class 3–8 performance.
Long-life sealing
Dual-seal gasket system maintains integrity beyond 20,000 operating hours.
No polymer creep
Ceramic-coated stainless pivots eliminate polymer creep for lasting damper accuracy.
Headroom-saving
Low-profile housing preserves headroom above critical infrastructure.
Fast field service
Field-replaceable wear components need only two hex keys — no proprietary tools.
VHP-compatible
Resistant to vaporized hydrogen peroxide decontamination per SEMI F21 and ASHRAE 129.
High Efficiency Air Outlet Applications
Specified as HEPA terminal air outlets across regulated and high-precision industries. See real cleanroom project case studies or browse the full cleanroom product range.
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Send your cleanroom classification, floor area and finish requirements. Our Malaysia-based engineering team replies with a stamped datasheet, fire certificate and pricing — 7×24 technical support by email, phone or WhatsApp.
Request a Free Quote Chat on WhatsAppWhy is rotating during the shower cycle important?
Standing still creates purification "dead spots" where airflow cannot reach areas like back, underarms, and knees. Active rotation (at least one full turn) with arm movements ensures complete surface exposure
