21 1/2x23x1 Exact MERV 13 AC Furnace Filters 6 Pack shoe-cover LEDex Series fixtures allow random

LEDex Series fixtures allow random start

APPLICATIONS

Increases oxygen and nutrient availability in growing media

- Up to 20% increase in efficiency

Does not require any additional product like a spreader

21 1/2x23x1 Exact MERV 13 AC Furnace Filters 6 Pack shoe-cover LEDex Series fixtures allow randomNordic 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