Nispira True HEPA + Activated Carbon Filter for Alen BreatheSmart 45i & Flex Air Purifier (Compares to B4-Odor, B4-Fresh, FL40-Silver-Carbon) Item Package Quantity:1 also traps large particles like

also traps large particles like hair and debris

replace the full HEPA filter approximately every 3–6 months

Compared to original part 2520 carbon filter and 2521 true HEPA filter

model names

engineered to withstand sudden temperature changes from −30 °C to +150 °C without cracking

Nispira True HEPA + Activated Carbon Filter for Alen BreatheSmart 45i & Flex Air Purifier (Compares to B4-Odor, B4-Fresh, FL40-Silver-Carbon) Item Package Quantity:1 also traps large particles likeNispira True HEPA + Activated Carbon Filter for Alen BreatheSmart 45i & Flex Air Purifier Keep your Alen BreatheSmart 45i or Flex air purifier performing at its best with the Nispira True HEPA + activated carbon replacement filter a direct fit alternative to the original manufacturer filter. This filter combines a preliminary layer that traps hair and dust with True HEPA filtration and activated carbon, helping capture airborne particles while