Ultravation 20x20x5 MERV 13 Replacement Filter

Available In MERV Rating: 13, 8, 11. Made in the USA. Ships in 24 hours

Source reference: https://filterbuy.com/brand/ultravation-air-filters/furnace-filter-brands-ultravation-air-filters-ultravation-20x20x5-air-filters/