17_1/2x17_1/2x1 Exact MERV 7 AC Furnace Filters 6 Pack Tubing You will know Mycotrol is

You will know Mycotrol is working when you see the color change in the insects

These powerful mixed-flow digital fans are 32-bit microprocessor-controlled and offer outstanding performance and value

1 — Thermometer and Hygrometer

Humidity=90%

Additional lens cooling vents

17_1/2x17_1/2x1 Exact MERV 7 AC Furnace Filters 6 Pack Tubing You will know Mycotrol isNordic Pure MERV 7 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 and other contaminants are removed. MERV 7 furnace filters are comparable to HVAC filters with the rating of MPR 600. While different companies use different scales to measure the air filters