Durabasics
HEPA Filter Replacement for Alen Breathesmart 75i Pure Air Purifier - Compatible with Alen Air Purifier Filter Replacement 75i - Replacement Filter for Alen 75i, Alen Air Purifier 75i & Alen Filter
Alen
Alen Air Filter B4-Pure Replacement H13 True HEPA Filter for BreatheSmart 45i & Flex Air Purifier - Captures Allergens, Dust, & Mold (1 Filter)
LifeSupplyUSA
True HEPA Air Cleaner Filter Replacement Compatible with Alen BF25A HEPA-Pure HEPA-Fresh A350, A375 Air Cleaner by LifeSupplyUSA (3-Pack)
Alen
Alen FF50-VOC/Smoke Replacement Filter for The FIT50 Air Purifier - True HEPA Filter for FIT50 Purifier for Allergens, Dust, Smoke, and Chemicals, Long-Lasting Pure Air Filter (1 Air Purifier Filter)