Pleated Furnace Filter, Ultra Allergen Reduction, 3-Month, Purple, 16x20x1-In. Repair & Test Kits UL Recognized component

UL Recognized component

so it is very effective

Integrated motion sensor automatically turns light on and off

Supplied with three 1/2 in

This formula is an insecticide

Pleated Furnace Filter, Ultra Allergen Reduction, 3-Month, Purple, 16x20x1-In. Repair & Test Kits UL Recognized component16" x 20" x 1", purple, ultra 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 1500, filter lasts for 90 days, color purple.