Funmit 2-Pack C545 Replacement Filter for Winix C545, B151, P150, 9300

Overview and compatibility

Meet the Funmit 2-Pack C545 replacement filters, engineered to fit Winix C545, B151, P150, and 9300 air purifiers. This aftermarket option complements the Winix S filter lineup and is designed for compatibility demonstrations. This is not the original OEM product, but it is built to align with the performance you expect from a compatible replacement.

Premium construction and efficiency

Crafted from premium non-woven fabric, the filter uses an upgraded electrostatic electret layer to balance filtration efficiency with lower energy use. The design aims for stronger particle capture while maintaining a lighter load on the purifier’s fan, which can contribute to smoother operation over time.

In real-world use, you may notice a quieter ambiance and a sense of cleaner air as the filter works to manage common indoor particles. The nano fiber layer helps create a more layered filtration experience, capturing a range of particulates without requiring more power.

Note that actual performance can vary with usage patterns and purifier settings. Regular maintenance, including timely replacement, supports consistent filter function and airflow.

What you get

• 2 x C545 replacement filters
• Dimensions: H 12.8 inches x L 11.0 inches x W 1.0 inch
• Easy installation; no tools required
• Recommended replacement every 6 to 12 months depending on usage

How to use and maintain

To replace, remove the old filter, align the new one with the chamber, and push it in until seated. Avoid forcing the filter into place. Check the seal and ensure there are no gaps for optimal airflow.

Why choose Funmit

• Broad compatibility with Winix models including C545, B151, P150, and 9300
• Quality materials and engineering for reliable filtration performance
• Odor management alongside particulates for a fresher indoor environment
• Customer-focused service and straightforward shopping experience