Discarded High-efficiency Air Filter: dense pleated type, with aluminum profile and galvanized plate frame, hot sol separator, fiberglass filter paper as filter material, suggested final resistance of 600Pa, maximum air volume at 125% of the rated air volume, temperature resistance up to 80°C, and humidity requirement of ≤80%RH.
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| Performance Standards | |
| Classification (EN1822) | H13 / H14 (U15+ available) |
| Filtration Efficiency | ≥ 99.97% @ 0.3μm / ≥ 99.995% @ MPPS |
| Test Method | DOP / PAO Smoke Testing (Leak Scanned) |
| Material Specifications | |
| Filter Media | Ultra-fine Glass Fiber Paper |
| Separator Type | Hot-melt Glue (Mini-pleat) / Aluminum Foil (Deep-pleat) |
| Frame Construction | Anodized Aluminum / MDF / Stainless Steel |
| Sealant | Two-component Polyurethane (PU Gel) |
| Operating Parameters | |
| Rated Air Velocity | 0.45 m/s (90 FPM) ± 20% |
| Initial Pressure Drop | ≤ 220 Pa (Standard) / ≤ 160 Pa (Low-drop) |
| Max. Final Resistance | 500 Pa |
Core Advantages
Ultra-High Purification
The media in this HEPA Filter is made of incredibly dense fibers that act like a microscopic net. It traps particles as small as 0.3 microns—things the human eye cannot see. This ensures your work area stays free from contamination, meeting the highest international cleanliness standards.
Tested Leak-Free Seal
To ensure 100% safety, every HEPA Filter is built with a heavy-duty aluminum frame and sealed with specialized glue. Each unit undergoes a strict ""leak test"" before leaving the factory. This guarantees that no dirty air can bypass the filter, protecting your sensitive products and processes.
Low Resistance & Stable Airflow
Even though the filter is very dense, the advanced ""mini-pleat"" design allows air to pass through evenly. This keeps the air pressure stable and prevents your ventilation system from overworking. You get maximum purity without a massive jump in your energy bills.
Core Product
Precision Mini-Pleat HEPA Filter (H13/H14)
The HEPA Filter is the industry benchmark for terminal air filtration. Using high-efficiency glass fiber and precise aluminum separators (or glue beads), this product offers the most reliable protection for cleanrooms. It is lightweight, remarkably strong, and designed to provide a long service life in the most demanding environments.
How often should I replace this Paper Frame Pre-Filter?
Usually, we recommend checking it every 1 to 3 months. If the filter looks very dark or if you notice the air flow is getting weak, it is time for a quick and easy replacement.
Will the paper frame fall apart if it gets wet?
No. The frame of this Paper Frame Pre-Filter is made of special moisture-resistant cardboard. While it is not meant to be soaked in water, it stays strong and stiff even in very humid air.
Is this Paper Frame Pre-Filter recyclable?
Yes. Since the frame is paper and the media is synthetic, this Paper Frame Pre-Filter is much easier to dispose of and recycle compared to heavy metal filters.
Can this Paper Frame Pre-Filter catch tiny bacteria or viruses?
This is a G4 level filter, meaning its main job is to catch larger dust, hair, and lint. For bacteria, this Paper Frame Pre-Filter works together with a "High-Efficiency" (HEPA) filter which sits behind it.
Can I wash this Paper Frame Pre-Filter?
No. This Paper Frame Pre-Filter is designed to be disposable for better hygiene and performance. Because it is very low-cost, replacing it with a new one is more effective than trying to wash it.
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