Brand New in Factory Sealed Plastic Wrap Brand: Chenzhit 18x20x1 (2) Pack
Suitable for air conditioner, furnace, HVAC filter, air scrubber, dehumidifiers and house vent
Easy to install and a cost-effective step for your healthy home environment. For best use, please change your air filters every 60 to 90 days, but increase frequency to 30 days during peak summer and winter months
