HEPA Filter Housing

Professional H14 HEPA Filter Box for Cleanroom & Dust-Free Workshop Applications
Product Overview
This HEPA Filter Box is a high-efficiency terminal air supply unit designed for critical environments such as cleanrooms, laboratories, pharmaceutical production areas, and dust-free workshops. As shown in the provided image, it features a clean, professional design with a white electrostatic spray-painted housing and a precisely engineered multi-perforated diffuser plate. The system integrates an H14-grade HEPA filter to deliver ISO Class-rated clean air, making it an essential component for ceiling or sidewall duct outlets in stringent ventilation systems.
Core Components & Technical Features
Robust & Aesthetic Housing:
Material & Construction:​ Made from high-quality, environmentally friendly board with smooth welding and electrostatic spray painting (inside and out). The finish is a durable matte white.
Design:​ As seen in the image, the housing is a compact, square box. The visible face is a perforated diffuser plate. The unit comes with 4 top-mounted L-shaped lifting rings for easy installation.
Size (Housing):​ 494mm x 494mm x 400mm (Top/Side supply configuration).
High-Efficiency Filtration Core:
Filter:​ Equipped with a Zhongjing brand​ (or equivalent) aluminum-frame, mini-pleat HEPA filter.
Efficiency:​ Achieves 99.99% filtration efficiency at 0.3μm particles, corresponding to H14 classification.
Airflow:​ Rated for up to 1000 m³/h.
Size (Filter):​ 484mm x 484mm x 90mm.
Optimized Air Distribution Diffuser:
Material:​ Made from spray-painted environmental board.
Design (As visible in the image):​ The plate features a unique pattern with louvered holes around the perimeter and a dense matrix of φ5mm holes in the central area for uniform, low-turbulence airflow. Side screw holes are included for secure mounting.
Size (Diffuser):​ 554mm x 554mm x 20mm.
Integrated Airflow Control:
Manual Damper:​ Constructed from galvanized sheet with TDC flange for easy connection to ductwork.
Size (Damper):​ 320mm x 200mm. Allows for precise manual adjustment of air volume to balance the system.
Key Benefits
Guaranteed Clean Air:​ H14 HEPA filter ensures the highest level of air purity, critical for sensitive manufacturing and research processes.
Uniform Laminar Flow:​ The engineered diffuser plate promotes stable, even air distribution, minimizing turbulence and particle settlement.
Durable & Easy Maintenance:​ The robust, corrosion-resistant housing and accessible filter design simplify servicing and long-term upkeep.
Flexible Installation:​ Configurable for top or side supply, making it adaptable to various cleanroom ceiling grids and ductwork layouts.
Complete & Ready-to-Install Kit:​ Supplied as an assembled unit with filter, damper, and diffuser, reducing on-site installation time and complexity.
Specifications Summary
Item

Specification

Product Name​

HEPA Filter Box / Cleanroom Terminal Box

Housing Material​

Environmental Board, Electrostatic Spray Paint (Matte White)

Overall Size (Housing)​

494mm (L) x 494mm (W) x 400mm (H)

Filter Grade & Efficiency​

H14 HEPA, 99.99% at 0.3μm

Filter Brand & Airflow​

Zhongjing (or equivalent), 1000 m³/h

Filter Size​

484mm x 484mm x 90mm

Diffuser Plate Size​

554mm x 554mm x 20mm

Damper Size​

320mm x 200mm (Galvanized Steel)

MOQ​

1 Piece

Lead Time​

30 Days
Applications
Cleanrooms​ (Electronics, Semiconductor, PCB Manufacturing)
Pharmaceutical & Biotech​ Preparation and Filling Rooms
Hospital​ Operating Theaters, Sterile Wards
Food & Beverage​ Aseptic Processing Areas
Laboratories​ and Precision Instrument Rooms
Why Choose This HEPA Filter Box?
✅ End-to-End Solution:​ A fully integrated terminal unit with filtration, regulation, and diffusion.
✅ Industry-Compliant:​ Meets stringent air quality standards for critical environments.
✅ Reliable Performance:​ Built with quality components for consistent, long-term operation.
✅ Professional Aesthetics:​ Clean, modern design maintains the professional appearance of technical spaces.
Contact us for detailed technical datasheets, airflow performance curves, and custom configuration inquiries.

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