Upgraded Version: Using upgraded materials, the 500/600 series dualprotection filter is designed to effectively remove final particular gas and odor without reducing the machine's operating efficiency Perfect Compatibility: Uaswpart classic 500/600 series particle filter compatible with Blueair classic 605 HEPA air purifier, fit for blue air filter replacement models 580i 680i 501 503 505 510 550E 555EB 601 605. Product size: 13*2.7*9.3in Breathe Easier: HEPA of classic 680i air filter replacement rem0ves up to 99.97% of airborne particIes as small as 0.3um. The blue air classic 500/600 series particle filter is manufactured under the strictest quality standards for maintaining your machine at optimal performance, help you to breathe and sleep at ease Premium Activate Carbon: The classic 605 filter's carbon granular is fully and evenly distributed with honeycomb shape, rem0ves unwanted smell more effectively and permanently, brings better filtering effect Value for Money: There is 6 packs of classic 500 series dualprotection filter in the package. It is recommended to change filter once every 6 months, or depending on usage. Timely replacement of parts is essential to maintain product performance Hassle-Free Replacement
Designed for Blueair air puri-fier models classic 500/600 series 580i 680i 501 503 505 510 550E 555EB 601 605. 3-Stage Filtration System
Pre-Filter Layer
Traps large particIes like dirt, pet hair, and lint, extending the lifespan of core filters. True HEPA Filter
Catches 99.97% of airborne particIes as small as 0.3um (pollen, pollen, pet dander). Activate Carbon Layer
High-density carbon granules with honeycomb rem0ve 0dors from pets, smoke, and VOCs. Smart Maintenance Tips
Replace filters every 6 months (or when indicator light alerts) for optimal air condition.