COMPATIBLE MODELS: Replacement Air Purifier Filter compatible with 40 Series. Please confirm the model you need before purchasing. | 3 STAGE FILTRATION: Our 3 in 1 purifier features 1 x Pre-Filter that captures larger particles, 1 x True HEPA Filter captures 99.97% of particles as small as 0.3 microns. 1 x Activated Carbon Filter effectively eliminates odors. | VALUE PACK: Package including 2 packs of filters replacement. which effectively removes odours, smoke and particles to help keep the air in your home, office or room fresh and clean. | FILTER TIPS: To maintain maximum filtering performance, the filter should be replaced once or twice per year (Depending on use and local air quality, or when performance starts to deteriorate). | CUSTOMER SERVICE: Truly worry-free purchase and friendly customer service. If our HEPA filters didn't meet your expectation, feel free to contact us. We just want you to know that your satisfaction is always our top priority.

&q;:&q;The product is easy to install and durable.PROP 65 WARNING: This product can expose you to some kind of chemical, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.&q;,&q;