13x21x1 Exact MERV 14 AC Furnace Filters 12 Pack Growing Accessories we recommend you purchase enough

we recommend you purchase enough product for a single crop cycle

Readily available Nitrogen

UV-C lamps- located before (and radiating on) the collection side of the HEPA filter

Limited effects on beneficial organisms (beneficial nematodes

• Clean CoolTM Technology channels airflow to reduce dirt & dust accumulation on critical electronic components (Patent Pending JP201162403)

13x21x1 Exact MERV 14 AC Furnace Filters 12 Pack Growing Accessories we recommend you purchase enoughNordic 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.