Alen HEPA air filters should be replaced with every 6 months of use to achieve maximum air filtration. With regular Alen air filter replacements, you extend the life of your air purifier, meet Alen's Lifetime Warranty Policy and ensure optimal air particle removal.

Alen HEPA air filters should be replaced with every 6 months of use to achieve maximum air filtration. With regular Alen air filter replacements, you extend the life of your air purifier, meet Alen's Lifetime Warranty Policy and ensure optimal air particle removal.

Features

• Pre-Filter: Yes
• HEPA Air Filter: Yes
• Carbon Filter: No
• All-in-One filter (Pre-filter/HEPA air filter integrated into one)
• Recommended Replacement: every six months of use.

Technical Specs

• Do not attempt to wash the Alen HEPA air filters as it will damage the fibers although it is suggested to clean the pre-filter if it becomes dirty.
• Signs that your filter needs replacement include: motor will sound stressed or have an increased noise level due to dust build-up on the filter, an increase in dust levels on furniture.