APJ Inline Series is a high-performance inline fan designed for residential, commercial, and light industrial ventilation systems.Whisper-quiet and easy to install, it keeps fresh air moving exactly where it matters most.
Flexible Installation: Available in 4″, 5″, and 6″ models. The compact body allows for easy installation even in extremely narrow ceiling spaces or tight ducts.
Whisper-Quiet Experience: Operating noise is as low as 30–35 dB. It is extremely quiet and perfectly suited for noise-sensitive environments like residential and office spaces.
Industrial-Grade Durability: Made from high-quality, impact-resistant materials, ensuring rugged construction and an ultra-long service life.
Applications: Suitable for HVAC systems, grow rooms, bathrooms, kitchens, offices, and various other ventilation scenarios.
Good ventilation should feel simple, steady, and quietly dependable. APJ Inline Series is built for that kind of everyday performance, bringing compact inline airflow to spaces that need practical duct support without overcomplicating installation.
The series combines a low-profile mixed-flow structure, common duct sizes, and straightforward electrical specs for HVAC branches, bathrooms, kitchens, grow rooms, greenhouses, and small commercial spaces.
Built for compact duct ventilation, APJ balances installation flexibility, steady airflow, and quieter indoor use in a project-friendly inline format.
The APJ body stays compact and practical, making it easier to integrate into tighter duct routes without adding unnecessary bulk.
Mixed-flow fan design helps balance airflow output and pressure performance for common indoor exhaust and fresh-air transfer tasks.
APJ-100, APJ-125 and APJ-150 support common duct diameters so distributors and installers can match typical ventilation layouts more easily.
Published noise values help the series stay suitable for bathrooms, kitchens, offices and other indoor areas where quieter airflow matters.
Practical motor power keeps energy use disciplined while still covering airflow needs from 100 to 195 m³/h depending on model.
The series is suitable for mounting in any position, giving installers more freedom across wall, ceiling and inline duct configurations.
| Model | A | B | C | D |
|---|---|---|---|---|
| APJ-100(4″) | 98 | 82 | 103 | 32 |
| APJ-125(5″) | 123 | 87 | 130 | 35 |
| APJ-150(6″) | 145 | 106 | 154 | 50 |
| Model | Voltage (V/Hz) |
Power (W) |
Airflow (m³/h) |
Noise (dB) |
|---|---|---|---|---|
| APJ-100(4″) | 220/50 | 20 | 100 | 30 |
| APJ-125(5″) | 220/50 | 20 | 135 | 32 |
| APJ-150(6″) | 220/50 | 40 | 195 | 35 |
Versatile inline airflow support for HVAC branches, wet rooms, controlled grow spaces, and light commercial ventilation projects.
Enhances airflow in heating, ventilation and air-conditioning duct runs where compact inline installation is preferred.
Helps remove moisture, odors and smoke in residential service areas that need steady daily exhaust.
Supports offices, shops and small warehouses that need cleaner air movement and practical duct ventilation.
Maintains fresh air circulation for controlled grow environments where air exchange consistency supports healthier plant conditions.
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 motor load verification, impeller balance, duct-size alignment, airflow confirmation, and published noise target checks. 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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