13x18x1 Exact MERV 12 AC Furnace Filters 12 Pack Pumps & Irrigation Performance of combustion chamber¹: 21

Performance of combustion chamber¹: 21 kW / 28

Waterproof and designed to float

Exile works nicely when tank-mixed with AzaMax

Big Foot Granular is a root inoculant that must be applied near the roots of the plant

Avoid application in windy conditions or when rain is expected within 24 hours

13x18x1 Exact MERV 12 AC Furnace Filters 12 Pack Pumps & Irrigation Performance of combustion chamber¹: 21Nordic Pure MERV 12 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, allergens and other contaminants are removed. MERV 12 furnace filters are comparable to HVAC filters with the rating of MPR 1500 1900. While different