18x22x1 MERV 13 AC Furnace Filters 12 Pack harvest-solutions Limiting exposure to sunlight and

Limiting exposure to sunlight and intense heat will help prolong the shelf life

This outer body build comes together with aluminum duct flanges to create a sturdy build capable of withstanding inclement weather

Max Relay Amperage: 25A

Emergency shut-off valve provides fail-safe overflow protection

• Automatically adjusts to sharpen different blade grinds safely

18x22x1 MERV 13 AC Furnace Filters 12 Pack harvest-solutions Limiting exposure to sunlight andNordic 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