Midiex 3-Pack HPA300 HEPA Filters + 4 Activated Carbon Pre-Filters for Honeywell HPA300 Series

Midiex 3-Pack HPA300 Replacement Kit for Honeywell Purifiers

Keep your Honeywell purifier performing at its best with a thoughtfully designed replacement kit from Midiex. This 3-pack of HEPA Type R filters and 4 activated carbon pre-filters is built for straightforward swapping, helping you sustain clean, comfortable air in your space. With regular changes, you may notice steadier airflow, fewer dust settles, and a refreshed room feel throughout the day. The kit is designed for compatibility with popular HPA models and can be a convenient way to refresh airflow when you notice dust, odors, or slower performance.

What’s included

• 3 HRF-R3 type R HEPA filters
• 4 activated carbon pre-filters

Compatibility and fit

These replacements are designed to replace HRF-R3 and are compatible with Honeywell HPA300, HPA300VP, HPA304, HPA3300, and related HPA models. They slide into the same chamber with a tight seal to help maintain steady airflow and filtration performance. The design emphasizes easy alignment and a secure fit, reducing the guesswork during swaps.

Performance and maintenance

• Captures up to 99.97% of airborne particles as small as 0.1 micron in testing scenarios
• Supports consistent purifier performance when replaced on schedule
• Helps preserve strong airflow by preventing filter clogging from everyday dust

Real-world use cases

• In busy living spaces with pet dander and dust
• Bedrooms where fresh air and quiet operation matter
• Kitchens where cooking odors are a regular concern
• Home offices that require a steady, clean air supply during focused work

Easy installation and care

Simply swap the old filters for the new Midiex components. The pre-filters help extend the life of the main HEPA filter by catching larger particles first, while the filters themselves fit within standard HPA configurations for a hassle-free upgrade. Packaging includes clear labeling and simple instructions to support a quick, clean replacement process.

Why choose Midiex

• Authentic replacement experience crafted to fit Honeywell HPA300 family
• Tight tolerances for a snug seal to preserve airflow and filtration efficiency
• 4 activated carbon pre-filters complement the HEPA stage to help reduce odors
• Clear guidance and packaging for a quick, clean swap

Quality and support

Midiex backs this kit with a service guarantee. If you experience any quality issues, our team is ready to help and resolve concerns promptly.