17x20x1 MERV 13 Plus Carbon AC Furnace Filters 12 Pack pumps-&-irrigation The timers can be set-up

The timers can be set-up to be recycling timers

With a Color Rendering Index of 90 the GC 3k spectrum is very close to natural sunlight but with modest blues

- 220 micron bag

Please don't fill the unit through the discharge piping outlets

• Breaks down and removes dead organic material in root zone which would otherwise vector disease and pests

17x20x1 MERV 13 Plus Carbon AC Furnace Filters 12 Pack pumps-&-irrigation The timers can be set-upNordic Pure pleated AC air filters are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home or office. Each time air passes through a Nordic Pure pleated furnace filter, lint, household dust, pollen, dust mites, pet dander, baking flour, mold spores and other contaminants are removed. Our filter media prevents the growth of bacteria or mold, resulting in a much healthier living space.