Silver Carbon replacement HEPA air filter for Alen Breathsmart air purifiers. 6-month filter life. Fast, free shipping, lowest prices in Hong Kong on Renaudair.hk
Rinse or lightly vacuum the removable black Alen Pre-Filter as soon as it develops a layer of visible particles. Allow it to completely dry before replacing.
Washing or vacuuming the white HEPA type material will damage the fibers and is not recommended.