14x22x1 Exact MERV 13 AC Furnace Filters 6 Pack Pots and Containers 3" wide drill access points

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

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

Max Watts 75 66 53

Allows quick access to the reservoir for maintenance of the nutrient solution such as checking pH

The beneficial nematodes will gradually sink to the bottom so stir occasionally as you pour to keep the nematodes distributed in the water

14x22x1 Exact MERV 13 AC Furnace Filters 6 Pack Pots and Containers 3" wide drill access pointsNordic 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