24x28x1 MERV 8 AC Furnace Filters 6 Pack covid-19 Developed by a horticulturist and

Developed by a horticulturist and electrical engineer

CO2 enrichment or CO2 exhaust features

SMD green LEDs which won't disrupt plant growth cycles

the pure and natural vegan formulation encourages beneficial microbial activity in the root zone

the same size Matrix Pad

24x28x1 MERV 8 AC Furnace Filters 6 Pack covid-19 Developed by a horticulturist andNordic 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