15x25x1 MERV 7 AC Furnace Filters 6 Pack Plant Care/Pest & Disease Control The internal layer is made

The internal layer is made of heavy-duty dual aluminum foil that is fire/flame resistant

Stall speed range eliminated to eliminate fan stoppage

visible results—killing weeds down to the root without glyphosate

Achieve bumper crop harvests by utilizing all three soluble products at first bud development

15x25x1 MERV 7 AC Furnace Filters 6 Pack Plant Care/Pest & Disease Control The internal layer is madeNordic 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