14x18x1 MERV 8 AC Furnace Filters 6 Pack beneficial microbes Humidity control range: 30 -

Humidity control range: 30 - 90%

and herbs will receive adequate nutrition during the vegetative and flowering stages

shrub and tree pruning

• #50 reclaim tank

14x18x1 MERV 8 AC Furnace Filters 6 Pack beneficial microbes Humidity control range: 30 -Nordic Pure MERV 8 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 8 furnace filters are comparable to HVAC filters with the rating of MPR 800. While different companies use different scales to measure the air filters