Filter Box is a duct-mounted filtration box designed for fresh-air, HVAC, and ventilation systems that need cleaner supply air, practical inline installation, and dependable long-term filter performance.
The Air Filtration Box quietly takes care of what matters most — clean, breathable air. Compact yet powerful, it combines three layers of filtration to remove everything from visible dust to invisible particles, giving homes, offices, and workspaces air that feels lighter, fresher, and easier to brea.
It begins with the primary filter, built with a multi‑fold design and large dust‑holding capacity to capture hair, lint, and other large airborne particles before they enter the system. Next, the activated carbon filter absorbs odors and harmful gases with high‑quality granular carbon — neutralizing the everyday smells that accumulate in enclosed environments.
Finally, the HEPA high‑efficiency filter takes purification to the microscopic level. Capable of removing particles as small as PM 2.5 and capturing over 99 % of fine dust, pollen, and bacteria, it completes a clean air cycle that refreshes every breath.
Each stage plays its part to build a continuous, balanced air flow with minimal resistance (loss rate ≦ 0.3 %). Available in multiple duct sizes from 100 mm to 250 mm, it integrates seamle.
Available in 4, 6, 8, and 10 inch sizes, it supports a wide range of ducted applications where dust, smoke, and fine airborne particles need to be controlled without sacrificing installation practicality.
Built for inline air-cleaning duty, Filter Box combines fine-particle filtration, flexible sizing, and project-friendly duct integration for cleaner ventilation performance.
Designed to help improve supply-air cleanliness in ventilation and fresh-air systems by intercepting common suspended pollutants before indoor delivery.
High-quality filter options support particle capture down to 0.3 microns, making the unit more suitable for cleaner residential, commercial, and light industrial air routes.
Multiple size options help match different duct layouts and support flexible integration across approximately Φ100-250 mm HVAC and ventilation systems.
The box structure is easy to insert into existing ventilation lines, giving projects a practical way to add a dedicated filtration stage without overcomplicating installation.
Durable filter media supports long-term airflow purification while helping maintain stable operation in daily-use ventilation environments.
Applicable across homes, offices, factories, clean rooms, warehouses, and growing tents where consistent airflow and cleaner air quality are both important.
| Model | Duct Size (Φmm) | Dimensions (L×W×H) (mm) | Applicable Airflow (m³/h) | Initial Resistance (Pa) |
|---|---|---|---|---|
| GLX – 100 | 100 | 300×200×200 | 100 – 300 | 30 – 70 |
| GLX – 150 | 150 | 300×200×200 | 300 – 600 | 30 – 70 |
| GLX – 200 | 200 | 430×300×300 | 600 – 1200 | 100 – 120 |
| GLX – 250 | 250 | 430×300×300 | 1200 – 2000 | 150 – 180 |
Inline filtration for projects that need cleaner supply air, flexible duct integration, and dependable air-cleaning performance across different environments.
Fresh-air systems that need extra particulate filtration before air enters living areas.
Offices, shops and shared indoor spaces where supply-air cleanliness matters.
Ventilation duct routes that require a practical inline filter housing for system upgrades.
We eliminate procurement and installation risks through rigorous factory verification and straightforward B2B warranty support.
Every batch undergoes strict functional and dimensional routing tests, including duct-size alignment, panel fit, airflow resistance verification, and filter housing assembly review. We ensure that every single unit arrives at your project site fully functional and ready for flawless installation.
We stand firmly behind our manufacturing craftsmanship. In the rare event of any material defect or mechanical failure under standard project operations, KCVENTS provides a straightforward, hassle-free hardware replacement service to secure your timeline.
As a global manufacturer of HVAC and ventilation equipment, KCVENTS is dedicated to providing flexible customization services and robust long-term supply chain warranty terms for contractors, brands, and wholesalers.
We support full private labeling (OEM) and custom housing finishes. Our ODM engineering covers custom chassis modifications, specialized airflow curves, and regional electrical standards (e.g., 110V/60Hz, 24V variable frequency).
For large-scale HVAC and green building deployments, we offer structured MOQ tiers, staged shipping contracts, and agile multi-batch delivery aligned with your construction timeline. Technical submittals and parameter validation are included.
Motors enjoy an extended warranty of up to 3 to 5 years, backed by a comprehensive 1-year full system warranty. Bulk orders are eligible for a dedicated percentage of maintenance spares along with 1-on-1 remote engineering support.
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