Pleated Furnace Filter, Ultra Allergen Reduction, 3-Month, Purple, 16x20x1-In. Repair & Test Kits so it is very effective

so it is very effective

fresh linen smell

without danger of vapor damage or root uptake of surrounding trees and ornamentals

UL Recognized component

This formula is an insecticide

Pleated Furnace Filter, Ultra Allergen Reduction, 3-Month, Purple, 16x20x1-In. Repair & Test Kits so it is very effective16" 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.