Pleated Furnace Filter, Ultra Allergen Reduction, 3-Month, Purple, 16x20x1-In. Repair & Test Kits • End nuts made of

• End nuts made of malleable iron

Vitamins and nutrients are added to create an enriched diet that birds love

so it is very effective

fresh linen smell

Pleated Furnace Filter, Ultra Allergen Reduction, 3-Month, Purple, 16x20x1-In. Repair & Test Kits • End nuts made of16" 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.