13x24x1 Exact MERV 8 AC Furnace Filters 6 Pack trays The speed of their development

The speed of their development is shocking—even over a single day—they are visibly taller

MagFan was Best in Test at Bess Lab

Simply mix the powder nutrient with water and pour into the reservoir

Encourage trees to grow to new height

13x24x1 Exact MERV 8 AC Furnace Filters 6 Pack trays The speed of their developmentNordic 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