Pleated Furnace Filter, Ultra Allergen Reduction, 3-Month, Purple, 14x20x1-In. Brand_Klean Strip It's small enough to be

It's small enough to be easy to use but big enough to get the job done

exclusive alderwood handle

Ribbed bottom

Fan constantly circulates the air to maintain a proper temperature throughout the incubator

ceramics and wood in any combination

Pleated Furnace Filter, Ultra Allergen Reduction, 3-Month, Purple, 14x20x1-In. Brand_Klean Strip It's small enough to be14" x 20" x 1", purple, ultra allergen filtrete filter, 3 month filter is 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.