Koch 102 031 013 High Capacity Pleated Air Filter MERV 8 24x30x1 voomi_id_79612 normally closed valve is essential P91000 normally closed valve is essential for residential and commercial HVAC applications Electrical Connections: 2 SPDT switch contacts Need larger quantities or something else MERV 8 Extended Surface Pleated Panel Filters with Mechanical Media Upgrade from standard pleated filters MERV 8 and MERV A 8 performance ratings Mechanical MERV 8 media is not reliant on electrostatic charge for efficiency Low resistance to airflow High Dust Holding Capacity Sturdy double wall frame design Die Cut beverage board frame Standard and High Capacity models Available in 1 Inches depth Multi Pleat XL8 Mechanical MERV 8 Extended Surface Pleated Panel Filters The Koch Multi Pleat XL8 is a medium efficiency extended surface pleated panel filter