Nispira True HEPA Filter Compatible with Flex 45i Air Purifier B4-Odor B4-Fresh FL40-Silver-Carbon Item Package Quantity:3 Product names and model numbers

Product names and model numbers are used for compatibility reference only

Durable replacement filter construction

Individually sealed in box

If unsure about compatibility

Replace air filter if it becomes discolored or wet

Nispira True HEPA Filter Compatible with Flex 45i Air Purifier B4-Odor B4-Fresh FL40-Silver-Carbon Item Package Quantity:3 Product names and model numbersNispira HEPA + activated charcoal filter replacement compatible with model 45i Flex Air Purifier Preliminary Filter traps hair and dust. High quality HEPA filter capture 99. 97% of airborne particles down to 0. 3 microns. Activated carbon filter deodorize any unfavorable household odor and traps the dust Easy to install. Suggest replacing the filter every 6 month the most to maximize the performance 14. 25"L x 11"W X 2"TH 100% customer satisfaction