20x20x6 Multi-Cell Air FilterMERV 13, Double Header, Koch 110-722-013 (2 pcs) voomi_id_66903 This control features a temperature It is specially designed

20x20x6 Multi Cell Air FilterMERV 13, Double Header, Koch 110 722 013 (2 pcs) voomi_id_66903 This control features a temperature It is specially designed This control features a temperature range from 30°F to 100°F and an adjustable differential of three to twelve degrees Fahrenheit Type: 3 way valve suitable for mixing or diverting flow in a system Features Available in Three efficiency ranges Designed for Variable Air Volume systems Galvanized Frame Corrugated Aluminum Seperators Glass Fiber media Media to Frame Sealant Please contact us for additional gasket options (Separators are also available with protective coating for highly corrosive atmospheres)