20x21_1/2x1 Exact MERV 14 AC Furnace Filters 6 Pack Ventilation Guard ‘n Spray is a

Guard ‘n Spray is a concentrated formula that can be incorporated at varying strengths to meet your needs

Gluten-8 is water-soluble and provides pre-emergent control of annual grasses and broad leaf weeds without the effort of applying the granular corn gluten (Sustane Spring Weed & Feed)

Output Switch:                                     Triac

panel and pipe mounting

separately or in conjunction with most pesticides and fertilizers

20x21_1/2x1 Exact MERV 14 AC Furnace Filters 6 Pack Ventilation Guard ‘n Spray is aNordic 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.