2 Pack 311i Max Replacement Filter Compatible with Blue Pure 311i Max Air Purifier, H13 True HEPA with Activated Carbon Air Filter, Compare to Part #F3MAX

Compatibility: The 311i Max replacement filter is fully compatible with Blueair Blue Pure 311i Max Air Purifier F3max. NOT fit for Blue Pure 311i Max/ 311 Auto/ 311 (Non-Auto) air purifiers. Please confirm your machine model before order.
High Efficiency Filtration: The HEPA Filter works for 99.97% of airborne particles down to 0.3 microns in size. The premium activated carbon particles can help you absorb the pungent pet odor, such as the smell of pet stool volatilizing in the air.
H13 True Hepa Filter: H13 Grade True HEPA Filter for winix is made of environmentally friendly non-woven fabric and activated carbon, both of which use advanced low-energy, low-density structural technology verified to ensure maximum filtration effect.
Valuable Set: Package includes 2 Pack for Blue pure 311i max filter. For optimal performance, please replace every 6-12 months. With cost-effective price to save much cost for your all-year-round.
After-Sales Service: We value customer service and satisfaction. If you have any quality problem about the F3Max replacement filter. Please contact customer service team in time, and we will try our best to solve your problems.