isinlive 45i Replacement Filter for Alen BreatheSmart Flex & 45i Purifier – 3-in-1 HEPA Fresh Filter with Activated Carbon

Smart, all-in-one filtration for your Alen purifier

The isinlive 45i replacement filter is designed to fit the Alen BreatheSmart 45i and Flex purifiers, delivering a compact three-stage filtration in a single, easy-to-swap unit. The outer pre-filter captures larger particles, while the HEPA stage targets fine dust, pollen, and pet dander. A robust activated carbon layer addresses odors and gases, helping your living spaces feel fresher without changing your daily routine.

By consolidating filtration into one unit, this replacement supports steady airflow and efficient cleaning cycles, so you can enjoy cleaner air in everyday spots like the living room, kitchen, and bedrooms. The design emphasizes quiet operation and reliable performance, designed to integrate smoothly with your purifier’s existing workflow.

What’s included and how it helps

• 1 x HEPA filter and 4 x activated carbon filters are included, providing ongoing odor and particle management.
• Eco-conscious packaging uses FSC-certified paper, aligning with responsible materials standards.

Key benefits you might notice

• Better capture of common indoor particles such as pollen, pet dander, lint, and dust, supporting daily comfort and clarity in your living areas.
• Odor control from cooking, pet smells, and VOCs due to the activated carbon layer integrated into the filter stack.
• Designed for efficiency with a low-density filtration design that helps maintain steady airflow with less energy draw.

Performance, maintenance and care

This aftermarket filter is engineered to perform with the Alen BreatheSmart 45i and Flex models, combining three filtration stages to help maintain airflow while reducing pressure on the purifier. For optimal results, consider replacing every 6–8 months depending on how you use the purifier and the environment you’re in.

Maintenance tip: after installing a new filter, press and hold the FILTER button for 5 seconds to reset the purifier. The indicator should switch from red to green, signaling a ready-to-clean cycle. If you need setup help, our support team is ready to assist.