The Koch Multi-Cell is a high efficiency, extended surface air filter designed for use in HVAC applications of all types. Rigid construction makes the Multi-Cell a superior filter in variable-airvolume (VAV) systems, or in any application where extreme conditions require additional filter strength and reliability. To meet the requirements of various filtration systems, Multi-Cells are offered in multiple standard face sizes, two depths and three different efficiencies. Five unique frame and header styles are available to insure that each unit fits properly into the existing filter housing or framework. Koch Filter® Extended Surface Air Filter, Medium/High Efficiency, Series: Multi-Cell™ 95, 24 in Width, 12 in D, 18 in Height, MERV: MERV 14, 1500 cfm, 180 °F, SBM, 90 to 95% Efficiency, 0.55 in WG Initial Resistance, 1 in WG Final Resistance, Glass Fiber Media, White