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

Nordic Pure 12x36x1 MERV 10 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

blended from pure plant oils and extracts

and so must your favorite plants

It includes a 12-foot sensor probe with a waterproof thermalloy head that accurately detects current temperature and humidity conditions

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