Perfect Replacement for Honeywell Filter R, HRF-R3, HRF-R2 & HRF-R1 Filters and Honeywell Filter A, HRF-AP1 Activated Charcoal Pre-Filters<br> <br>Made from high-quality HEPA material and premium activated charcoal, this pre-cut pre filter and filter set is compatible with Honeywell HPA300 and HPA 300 air purifiers<br> <br>HEPA 13 Material<br> <br>Constructed with premium HEPA 13 / MERV 17 material to greatly improve the overall air quality of your living space<br> <br>Constructed to the Highest Standards for Longer Lasting & Higher Performing Filters<br> <br>- Folded at regular intervals to improve airflow<br> <br>- Laser-injected glue ensured construction integrity<br> <br>- Machine folded corners reduce air resistance<br> <br>Package Contents<br> <br>3 HEPA air purifying filters compatible with Honeywell Filter R, HRF-R3, HRF-R2 & HRF-R1<br> <br>4 activated charcoal pre-filters precut specifically for HA300, HPA300, HPA300VP, HPA304, HPA3300, HPA5300 & HPA8350 air purifiers<br> <br>Disclaimer: This is a generic product designed and engineered by Durabasics. We are not affiliated with, sponsored by or associated with Honeywell. This is not a Honeywell OEM product and is not covered under any Honeywell manufacturer's warranty. The Honeywell brand names and logos are the registered trademarks of their respective owners. Any use of the brand name or model designation for this product is made solely for purposes of demonstrating compatibility. Durabasics offers discounted products that provide superb value on premium quality products but may not use identical materials as Honeywell and, therefore, cannot guarantee identical results, including with respect to filtration quality (e.g., pressure drop, air flow rate, and efficiency) or durability. Durabasics<br> <br>