16x22x1 Exact MERV 12 AC Furnace Filters 12 Pack refurbished-products 3′ x 5′ – Fits

3′ x 5′ – Fits 2′ x 4′ tray

Assembled size: 32

DC extension cords(sold separetely) enable the detachable driver to be installed outside the grow tent where will become even cooler

The granules grow stronger seedlings with larger root systems

but truly works wonders on cuttings and transplants

16x22x1 Exact MERV 12 AC Furnace Filters 12 Pack refurbished-products 3′ x 5′ – FitsNordic 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