22x24x1 MERV 13 AC Furnace Filters 6 Pack Light Fixture Micro is very effective in

Micro is very effective in both Soil and Hydroponic gardens

These are standard 1020 trays with the exception that they are four times the thickness of traditional trays

Gallons Per Hour: 660

Shipping Weight - 28LBS

Perfect for 3’x3’vegetative coverage at 18”and 2’x2’ flowering coverage at 6”-12”

22x24x1 MERV 13 AC Furnace Filters 6 Pack Light Fixture Micro is very effective inNordic Pure MERV 13 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, smoke particles, virus carriers, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 13 furnace filters are comparable to HVAC filters with the rating of MPR 2200