1. home fresh air system
2. residential ventilation system
3. whole house fresh air ventilation
4. bedroom fresh air ventilator
5. office fresh air ventilation
6. classroom ventilation system
7. smart fresh air control
8. fresh air ventilator manuf
Galvanized Single Direction Fresh Air Ventilator | One-Way Fresh Air Supply System
PRODUCT DESCRIPTION:
Galvanized Steel Housing — SGCC galvanized sheet metal body, rust-resistant and built for long service life.
One-Way Fresh Air Supply — continuous filtered outdoor air delivery creates positive pressure for effective whole-room air exchange.
Multi-Stage Filtration — G4 + F7 + activated carbon + HEPA 13 removes PM2.5, dust, pollen and odors from incoming air.
Tool-Free Filter Access — side panel secured by four thumb screws for quick filter replacement without tools.
Energy-Saving EC Motor — brushless DC motor with variable speed cuts power consumption by up to 75%.
Quiet Operation — soundproofed casing keeps noise from 32 dB, ideal for bedrooms and offices.
Smart Control Options — wired panel, remote control and optional Wi-Fi/App; optional CO₂ sensor with automatic speed adjustment.
Ducted Design — standard round duct connections ([100]/[150] mm) for ceiling or wall-mounted installation.
| Stage | Filter | Function |
|---|
| 1 | G4 washable pre-filter | Captures hair, dust, insects and large particles |
| 2 | F7 medium filter | Traps fine dust, pollen and PM10 |
| 3 | Activated carbon filter | Adsorbs odors, formaldehyde and VOCs |
| 4 | HEPA 13 filter | Removes PM2.5 up to [99.9]%; optional UV-C sterilization |
| Application | Scenario | Recommended Model |
|---|
| Bedroom / Single Room | Ducted fresh air supply, sleep mode | [Model]-150 |
| Apartment / House | Whole-home one-way fresh air ventilation | [Model]-250 / 350 |
| Office / Meeting Room | Low-noise fresh air supply with CO₂ control | [Model]-250 |
| Classroom / Kindergarten | Clean air for children, high airflow | [Model]-350 |
| Hotel / KTV / Shop | 24/7 quiet ventilation, easy maintenance | [Model]-250 |
