18x25x2 Pleated MERV 7 Air Filters 3 Pack Emitters Made of clear PVC

Made of clear PVC

The non-stick coated carbon steel blade is razor sharp

Discontinue use 1-2 weeks prior to harvest for best results

How should I store it

18x25x2 Pleated MERV 7 Air Filters 3 Pack Emitters Made of clear PVCNordic 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