True Replacement Filter For Alen BreatheSmart Flex 45i Air Purifier With Activated Carbon Pre Filters Pack Of 1 Plus 3 Pre Filters Comparable To B4 Fresh And FL40 Silver Carbon Quick Install 15in By 11in By 2in

Replacement Filter Kit for BreatheSmart 45i Flex Purifier
✔️ Pack: 1 filter + 3 pre-filters; 15 x 11 x 2 in, compatible

This replacement filter kit is designed for the Alen BreatheSmart Flex 45i air purifier, featuring one premium filter and three activated carbon pre-filters to trap odors and improve air quality in living spaces.

✅ Pack size: 1 filter + 3 pre-filters.
✅ Dimensions: 15 in x 11 in x 2 in.
✅ Compatibility: Flex 45i Air Purifier.
✅ Comparable to B4-Fresh and FL40-MP.

💡 What is a replacement filter kit for the BreatheSmart 45i used for in home air purification? This handy kit helps maintain purifier performance and fresh air.

- replacement filter kit helps extend filter life and maintain airflow - activated carbon pre-filters improve odor removal and dust capture - compatible with Flex 45i and can substitute B4-Fresh & FL40 series