18x28x1 Exact MERV 7 AC Furnace Filters 6 Pack harvest-solutions Used for controlling fungus gnats

Used for controlling fungus gnats

Kills insects by contact & controls diseases

(Vapor Pressure Deficit) The user can select the minimum and maximum allowable (limits) for temperature

6mm inlet- 4 larger holes than 1

Protects roots from damaging nematodes

18x28x1 Exact MERV 7 AC Furnace Filters 6 Pack harvest-solutions Used for controlling fungus gnatsNordic Pure MERV 7 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores and other contaminants are removed. MERV 7 furnace filters are comparable to HVAC filters with the rating of MPR 600. While different companies use different scales to measure the air filters