The custom PP air filter cartridge is a high-performance pleated filtration element engineered for industrial dust collection systems, HVAC applications, and process air filtration where chemical resistance, moisture tolerance, and cost-effectiveness are primary considerations.
The filter element is constructed from high-quality polypropylene (PP) media – a synthetic thermoplastic polymer known for its excellent chemical stability, moisture resistance, and broad compatibility with aggressive environments. Polypropylene filter media offers outstanding resistance to acids and alkalis, making it the material of choice for applications where corrosive gases or chemical-laden air streams would degrade standard polyester or cellulose filters.
| Type | Custom Air Filter Cartridge |
| Outer diameter | 123 mm |
| Height | 115 mm |
| Connection | G1 ½ male thread |
| Filter layer | PP |
| Support core | Diamond-pattern plastic mesh sleeve |
| Origin | Henan, China |
The parameters listed above are specific to this custom air filter. Please send us your required parameter information to obtain a quote.
Huahang Filter, a filter element manufacturer with over 20 years of production and operation experience, adheres to quality as its core principle and strictly controls every production process.

| Filter Media Type | Key Characteristics / Mechanism | Primary Advantages | Common / Ideal Applications |
|---|---|---|---|
| Non-woven Fabric | Depth Filtration | High dust capacity, cost-effective, good moisture resistance, versatile and customizable. | General dust collection (wood, metal, powder), HVAC pre-filters, engine air intake, industrial ventilation. |
| Glass Fiber | Depth & Surface Filtration. | Higher initial efficiency | Final filters in paint booths, pharmaceutical air, HEPA/ULPA pre-filters, some high-temperature processes. |
| PTFE Membrane (Laminated onto a substrate) | Surface Filtration. | Highest efficiency & excellent dust release | Demanding applications: food, pharma, carbon black, fine chemicals requiring ultra-clean air or no cross-contamination. |
| Stainless steel | Surface Filtration & Reusable. | Extremely durable, cleanable & reusable | High-temperature gas filtration, catalyst recovery, polymer processing, aggressive chemical fumes. |

Contact us for more details about the air filters.
Q1: What is the difference between PP and polyester filter media?
A1: PP offers superior chemical resistance to acids and alkalis, virtually zero moisture absorption, and is ideal for corrosive or humid environments.
Polyester has higher temperature resistance (up to 135°C) and is better suited for standard industrial dust collection without chemical exposure.
Q2: Can this PP air filter cartridge be cleaned and reused?
A2: PP air filter cartridges are generally considered disposable.
Attempting to clean the media can damage the fiber structure and compromise filtration performance. Replace the cartridge when differential pressure reaches the change-out point.
Choose PP for chemical environments, high humidity, or sticky dusts.
Q3: How do I choose the right PP air filter cartridge?
A3: Key selection factors: