13x21_3/4x1 Exact MERV 14 AC Furnace Filters 6 Pack king shredder Nordic Pure 12x36x1 MERV 12

Nordic Pure 12x36x1 MERV 12 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

and 21" across the top in both directions

The TRS21 Active Closed Loop Recovery Kit is an upgrade kit that can be added to our passive systems to make it active

1 x HB1000 LED Grow Light

000 per acre every 2 weeks

13x21_3/4x1 Exact MERV 14 AC Furnace Filters 6 Pack king shredder Nordic Pure 12x36x1 MERV 12Nordic 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.