Filter Fit FinderAlen air purifier filters
6 models, 5 filters. Find your exact model below, or type it in the box.
6 models
Most looked-up Alen models
BreatheSmart FLEX
Filter: 45i & FLEX Filter, Essential (Pure) · part B4-Pure
See the fitBreatheSmart 75i
Filter: 75i Filter, Essential (Pure) · part B7 Pure
See the fitBreatheSmart 45i
Filter: 45i & FLEX Filter, Essential (Pure) · part B4-Pure
See the fitT500
Filter: TF60-Pure
See the fitA350
Filter: BF15A-Pure
See the fitBreatheSmart FIT50
Filter: FF50-Pure
See the fitAll 6 Alen air purifier models
- A350also A375Uses BF15A-Pure
- BreatheSmart 45ialso 45iUses B4-Pure
- BreatheSmart 75iUses B7 Pure
- BreatheSmart FIT50Uses FF50-Pure
- BreatheSmart FLEXUses B4-Pure
- T500Uses TF60-Pure
No Alen model matches that. Check the code on the label, or tell us the model.
Shop by filter
5 Alen filters across 6 models. Open one to see every model it fits.
45i & FLEX Filter, Essential (Pure) B4-Purefits BreatheSmart 45i, BreatheSmart FLEX
75i Filter, Essential (Pure) B7 Purefits BreatheSmart 75i
BF15A-Pure BF15A-Purefits A350
FF50-Pure FF50-Purefits BreatheSmart FIT50
TF60-Pure TF60-Purefits T500
Where is my model number?
The model number is on a sticker on the back or the base of the unit, not on the box.
Official site: alen.com