8x20x1 Pleated MERV 7 Air Filters 6 Pack grow-light-reflectors Use mild strength nutrient for

Use mild strength nutrient for delicate plants and full strength nutrient for robust plants

Nordic Pure 18x24x4 Pleated Air Filters MERV 15 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home

Nordic Pure MERV 8 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments

This and all Growth Science products are safe to use in automated delivery systems such as Dosatron® and other fertilizer injectors

Direct 220V plug in

8x20x1 Pleated MERV 7 Air Filters 6 Pack grow-light-reflectors Use mild strength nutrient forNordic 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