Alen Air Purifier Manuals

3 Alen air purifiers with owner guides and verified specifications

Select your Alen model number below for installation steps, settings, maintenance schedules, troubleshooting and the full specification sheet. Your model number is printed on the rating plate.

Alen air purifiers by model number

Alen Air Purifier Manuals

Model	Description	Certified
BreatheSmart 25i	air purifier for rooms up to 150 sq. ft.	August 2025
BreatheSmart 35i	air purifier for rooms up to 233 sq. ft.	August 2025
BreatheSmart 75i_V2	air purifier for rooms up to 574 sq. ft.	February 2024