HQRP 6-pack Activated Carbon Filter for Vornado MD1-0023 Replacement fits AC300, AC350, AC500, AC550 Air Purifiers

HQRP® 6-pack Carbon Filters; Replace Vornado part MD1-0023 filter, fit AC300 / AC500 True HEPA Air Purifiers; Filter and capture odors, particles, dust and other harmful gas, reinforce the purifying effect of air purifier; Replace every 4-6 months, depending on use; 2 weeks DOA replacement warranty!