18x25x1 Pleated MERV 8 Air Filters 24 Pack house and amp Please note that this product

Please note that this product will increase the PPM (parts per million) of your nutrient solution

Designed for use in greenhouses

Deep or Shallow Water Culture

It's easy to apply

18x25x1 Pleated MERV 8 Air Filters 24 Pack house and amp Please note that this productNordic 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