18x22x1 MERV 8 AC Furnace Filters 12 Pack Ventilation Please use a tape measure

Please use a tape measure to get the actual size of your current air filter when ordering custom sizes

Thick and sturdy aluminum heatsink makes Optimal heat dissipation

NPK: 0 - 0 - 4

1x 4x4ft Grow Tent(1680D Canvas)

18x22x1 MERV 8 AC Furnace Filters 12 Pack Ventilation Please use a tape measureNordic 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