45i Replacement Filter, for Alen Breathe Smart Flex BH400 and 45i

45i filter Compatible Models 45i replacement filter is perfectly compatible with BreatheSmart Flex and 45i air filter. Part number: B4-Fresh / FL40-Silver-Carbon. Please check your model before placing an order. | 45i filterPure 45i replacement filter is suitable for Alen BreatheSmart 45i air filter, 3-in-1 filtration system: Fine nylon preliminary filter Activated carbon filter. 45i replacement filter has strong filtering performance for pet dander and cooking odors, lint, smokers, wildfire season, gas odors. It can filter odors in a short time, provide a good home environment, and is very friendly to family members with a keen sense of smell. | High Efficiency Filtration Filter absorb 99.8% of airborne particles, creating fresh and air for you and your family, and the activated carbon filter removes strong odors from pets, cooking, smoke, wildfires, and VOCs, with an efficacy of more than 0.80 pounds of high-efficiency activated carbon particles. | 45i Filter Family Pack45i filter set 1+4 pack (1 main filter + 4 additional filters), in order to give you a healthy living environment, you need to replace the 45i filter every 3-6 months and the pre-filter every 3 months. | Dear UserIf you have any questions or concerns about our 45i replacement filter, you can always ask me, and we will do our best to solve your questions within 24 hours.