14x22x1 Exact MERV 13 AC Furnace Filters 6 Pack Pots and Containers Use warm water between 75

Use warm water between 75 and 98 degrees Fahrenheit for optimum results

Duct Opening Diameter: 4 inches | Front Plate Size: 6

5 to 15 SCF/Hour

Get the convenience of an flood & drain (ebb & flow) system in a 22" x 22" x 10" size garden

3" wide drill access points on all four walls for installation of inlet and outlet fittings

14x22x1 Exact MERV 13 AC Furnace Filters 6 Pack Pots and Containers Use warm water between 75Nordic 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