18x36x1 MERV 14 AC Furnace Filters 6 Pack Reflective & Greenhouse Films Protect nearby desirable plants during

Protect nearby desirable plants during application using cardboard or plastic as a shield

Alaskan humus

This product is highly effective when it is used to prevent diseases or applied at the first sign of disease

These low-volt controls take many forms

Weight: 7 lbs

18x36x1 MERV 14 AC Furnace Filters 6 Pack Reflective & Greenhouse Films Protect nearby desirable plants duringNordic Pure MERV 14 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 14 furnace filters are comparable to HVAC filters with the rating of MPR 2800.