20x20x4 Multi Pleat High Temperature Air FilterMERV 8, Koch 102 730 016 (6 pcs) voomi_id_76472 Its precise engineering helps in The Filbur FC 3087 Its precise engineering helps in optimal performance and reliability in various industrial settings This component is designed to regulate refrigerant flow in heat pump systems extended surface glass micro fiber media is designed to provide superior performance without degradation in high temperature systems Size in Inch (H x W x D) – 20x20x4 Multi Pleat HT Filters Offer: MERV 8 performance rating Ideal for for ovens and air filtration systems with continuous operational temperatures up to 500°F (260°C) 24 gauge aluminized steel enclosure frame resists flaking Media element bonded to entire interior surface in order to eliminate air bypass Specifically formulated