Our air filters deliver exceptional performance, utilizing premium Ahlstrom filter media to achieve a remarkable filtration efficiency of 99.4%. Designed specifically for Combine Harvesters, the model Ah222225 ensures superior protection for your engine by capturing even the finest contaminants. This precise engineering guarantees optimal airflow and maximum engine protection, leading to extended equipment life and reduced maintenance downtime.
High-quality filters utilize multi-layer composite fiber paper with a filtration efficiency of ≥ 99%. Our sealing rings feature high-temperature resistance rubber to ensure perfect sealing performance. Unlike inferior products using recycled rubber, our components are resistant to aging and cracking.
| Specifications | O.D.: 321mm | I.D.: 200mm | H: 587mm |
|---|---|---|---|
| Replacement OE | P618931 / C332200 | AF27852 / E1660L | 49222 |
| Filter Paper Grade | Efficiency | Moisture Resistance | Lifespan (Hours) |
|---|---|---|---|
| Wood pulp paper | 90%-95% | Low (No coating) | 60 hours |
| Full adhesive paper | 99.5% | Good (Phenolic resin) | 200-250 hours |
| Ahlstrom Nano-Filter | 99.9% | Excellent (Nano-coating) | 500-800 hours |




Utilizing automated production lines, we ensure every filter paper cut and bend is precise. From filter paper cutting to carton packaging, our standardized production process shortens delivery periods while maintaining reliable quality. The mechanical origami process ensures verticality for each fold, maximizing filtration surface area.





