Product overview
What it is and where it fits.
The AR105 is a disposable pleated panel filter for general HVAC prefiltration. Nonwoven cotton / synthetic media is backed by corrosion-resistant expanded metal and formed into wedge-shaped pleats, which increase the media area for airflow and dust collection.
It comes in 1-, 2- and 4-inch nominal depths in common US and metric panel sizes. The catalogue lists 30–35% dust-spot and 90–94% average gravimetric efficiency (ASHRAE 52.1).
- Filter type
- Disposable pleated panel
- Dust-spot efficiency (catalogue)
- 30–35%
- Gravimetric efficiency (catalogue)
- 90–94%
- Depths
- 22, 45 or 95 mm (1, 2, 4 in nominal)
- Sizes
- 289×595, 390×619, 492×492, 492×595, 595×595 mm
- Initial pressure drop
- 87 Pa (1 in), 65 Pa (2 in), 50 Pa (4 in); final 130 Pa
- Frame
- Cardboard or metal
- Max. continuous temperature
- 40 °C
Typical applications
- Prefilters in air handling units and fan coil units
- Commercial building HVAC
- First stage ahead of pocket and HEPA filters
Construction & performance
Construction
Disposable pleated media with corrosion-resistant expanded metal support. Wedge-shaped pleats increase the area available for airflow and dust collection.
Size & efficiency
The catalogue lists nominal depths of 1, 2 and 4 inches, 30–35% dust-spot efficiency and 90–94% average gravimetric efficiency under ASHRAE 52.1-1992.
Selection guide
How to choose.
Deeper means longer life
At the same face size, the 4-inch version has the lowest initial pressure drop in the catalogue table (50 Pa vs 87 Pa for 1-inch) and holds more dust before reaching the final pressure drop.
Technical data
Specifications & dimensions.
Rated airflow in m³/h, pressure drop in Pa, actual dimensions in mm, nominal sizes in inches. Swipe tables sideways on small screens.
| Gravimetric efficiency | Dust-holding capacity (g) | |
|---|---|---|
| 30%-35% | 90%-94% | |
| Test standard: ASHRAE 52.1-1992 / EN 779 | ||
| Efficiency (%) | Nominal size (in) | Actual size (mm) | Rated airflow (m³/h) | Pressure drop (Pa) | ||
|---|---|---|---|---|---|---|
| Dust-spot efficiency | Gravimetric efficiency | Initial pressure drop | Final pressure drop | |||
| 30–35 | 90–94 | 12 × 24 × 1 | 289 × 595 × 22 | 1700 | 87 | 130 |
| 16 × 25 × 1 | 390 × 619 × 22 | 2380 | ||||
| 20 × 20 × 1 | 492 × 492 × 22 | 2380 | ||||
| 20 × 24 × 1 | 492 × 595 × 22 | 2800 | ||||
| 24 × 24 × 1 | 595 × 595 × 22 | 3400 | ||||
| 12 × 24 × 2 | 289 × 595 × 45 | 1700 | 65 | 130 | ||
| 20 × 20 × 2 | 492 × 492 × 45 | 2380 | ||||
| 20 × 24 × 2 | 492 × 595 × 45 | 2800 | ||||
| 24 × 24 × 2 | 595 × 595 × 45 | 3400 | ||||
| 12 × 24 × 4 | 289 × 595 × 95 | 1700 | 50 | 130 | ||
| 24 × 24 × 4 | 595 × 595 × 95 | 3400 | ||||
| Type | Specification | ||
|---|---|---|---|
| Construction | Filter media | Nonwoven cotton / synthetic fiber blend | |
| Frame material | Cardboard / metal frame | ||
| Support mesh | Corrosion-resistant metal mesh, wedge-shaped construction | ||
| Operating conditions | Maximum continuous temperature | ℃ | 40 |
| Maximum relative humidity | %RH | 98 (non-condensing) | |
Catalogue values at rated airflow. Test data for your exact configuration is available on request.
Original Yiding catalogue (Chinese) ↗FAQ
Common questions.
When should a pleated prefilter be replaced?+
When it reaches the final pressure drop for your system — 130 Pa in the catalogue table — or at the interval set by your maintenance plan, whichever comes first.
Do you make US sizes such as 16×25 or 20×20 inch?+
Yes. The catalogue lists 12×24, 16×25, 20×20, 20×24 and 24×24 inch nominal sizes, and custom sizes can be made.



