28x28x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack Tents & Tarps 5 gallons covers 5-20 acres

5 gallons covers 5-20 acres

Can be safely used on any surface or item and will not cause damage

-Resists tearing and fraying

baby's breath

Some fungi live in soil and enter the roots

28x28x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack Tents & Tarps 5 gallons covers 5-20 acresNordic Pure Custom MERV 7 Plus Carbon air filters are made based on the actual measurements so be sure to measure your current filter to get the EXACT dimensions before ordering. As with all Nordic Pure filters, the effective life of your filter depends on the environment in which you live. We recommend changing 1 and 2 filters every 30 90 days. Our 4, 5 and 6 inch thick filters could last up to 6 months. EXACT MEASUREMENT: Furnace and air condition