23_3/4x23_3/4x1Exact MERV 14 AC Furnace Filters 6 Pack Chemicals Humboldt Nutrients is here to

Humboldt Nutrients is here to help you accomplish that goal

The Premium Cube is formulated to be a balanced professional base for growers

Using state-of-the-art lamination technology

The Stainless Steel Conveyor is designed to withstand the rigors of a commercial producer environment

Calibration: one point

23_3/4x23_3/4x1Exact MERV 14 AC Furnace Filters 6 Pack Chemicals Humboldt Nutrients is here toNordic 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.