17x20x1 MERV 13 AC Furnace Filters 12 Pack HPS Concentrated pH adjustment liquid

Concentrated pH adjustment liquid

• Compatible with 8" air ducts

Battery Capacity – 2

The yields speak for themselves — we're not going back

Mercenary is an all-natural insecticide derived from essential oils that prevents and controls eggs

17x20x1 MERV 13 AC Furnace Filters 12 Pack HPS Concentrated pH adjustment liquidNordic 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