21x23x1 Exact MERV 13 AC Furnace Filters 6 Pack lighting_accessories 2W±5%@AC240V 439

2W±5%@AC240V 439

Use 1-8 oz of product in 50-100 gallons of water per acre

• Also used on greenhouse ornamentals

Saves CO2 and prevents odors from flowing backwards

to be used in conjunction with the MICRO

21x23x1 Exact MERV 13 AC Furnace Filters 6 Pack lighting_accessories 2W±5%@AC240V 439Nordic 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