2 Packs of 2 HEPA Replacement Filters for Alen air TF30 for T100 and T300 Air Purifiers
•Fits Alen Air T100 & T300 Air Purifiers compare to part # TF31
•Washable Pre-Filter attached to the HEPA filter to capture large particles. Allow it to completely dry before replacing.
•Replace at least every 6 months with normal use
•Removes dust, pet dander, mold spores and pollen from the air