Allergen Defense Red Micro Air Pleated Furnace Filter, 12x20x1-In. Category_Conduit & Fittings The LED (light emitting diode)

The LED (light emitting diode) light illuminates the work area while the on-board fuel gauge displays remaining run time

for all interior wood including furniture

Fahrenheit or Celsius temperature display

Fade and weather resistant

Allergen Defense Red Micro Air Pleated Furnace Filter, 12x20x1-In. Category_Conduit & Fittings The LED (light emitting diode)12" x 20" x 1" Red Micro Allergen Filtrete Filter, 90% Effective At Capturing Large Allergens Like Mold Spores & Pet Dander, Captures Microscopic Allergens Like Dust, Smoke & Smog, Captures Bacteria & Particles That Can Carry Viruses, Meets The Guidelines Of The American Lung Association Health House Program. MPR Rating 1000, Filter Lasts For 90 Days.