Replacement Filter for YIOU R1 & Elechomes P1801 P1802 Air Purifier, 2 Pack

COMPATIBILITY: R1 P1801 HEPA filter compatible with and Elechomes / Air Purifier for Large Room. HEPA replacement filter size: 7.87x 0.78x 9.17. . | EFFICIENT FILTER: R1 HEPA Filter attaches to 99.97% of particles as small as 0.3 microns in size, effectively improve the air quality for your home. | 3 STAGE FILTRATION SYATEM: R1 P1802 P1801 replacement filter features a 3-stage filtration design: Pre-filter, HEPA filter and activated-carbon filter, 3-in-1 high-efficiency filter can filter particles and smells in your living spaces. | EASY TO INSTALL: Simply take out the older and dirty R1 filter and replace. R1 Filters are sealed to protect their lifetime. For optimum performance, it is recommended to replace the R1 HEPA Filter every 3-6 months. | CONTACT US ANYTIME FOR SUPPORT: We stand by the quality of our product. We care deeply about our customers and our top priority is to make you satisfy our product. If this filter has any problems, please feel free to contact us. Filter made of FSC-Certified paper