UltraPure by FilterWarehouseUSA 30x36x2 MERV 11 Pleated Geothermal AC Furnace Filters, (4 Pack) (30x36x2)$$Tools & Hardware Other

All materials are made in the US and manufactured in America by FilterWarehouse USA. INDUSTRIAL GRADE - Designed to last up to 3 months. Supportive beverage board frames. Residential, commercial, and business HVAC use. Merv 11 - Excellent in filtering dander and allergies by collecting 95% of airborne particles without impeding air flow. Color may differ from picture 29.5 x 35.5 x 1.75 actual size