13x20x1 Exact MERV 13 AC Furnace Filters 12 Pack Reflective & Greenhouse Films for germination and propagation of

for germination and propagation of seedlings

Included reflector can be removed to use the tube vertically

Can be wired for 120 or 240V

Set it and forget it

Continuous measurements

13x20x1 Exact MERV 13 AC Furnace Filters 12 Pack Reflective & Greenhouse Films for germination and propagation ofNordic 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