Koch Filter 102-500-029 MULTI-PLEAT XL11-HC 4" High Capacity MERV 11 Pleated Panel Filter Size 20x24x4 3354259 helps ensure tight facial seal

helps ensure tight facial seal

the optional return valve limits contamination

30 mg H2O / L

1-1 ppm Measurements: 9

Koch Filter 102-500-029 MULTI-PLEAT XL11-HC 4" High Capacity MERV 11 Pleated Panel Filter Size 20x24x4 3354259 helps ensure tight facial sealKoch Filter 102 500 029 MULTI PLEAT XL11 HC 4" High Capacity MERV 11 Pleated Panel Filter Size 20x24x4 Part Number : 102 500 029 Size : 20x24x4 Depth : 4 in Packaging : 6 ea case Multi Pleat XL11 The Koch Multi Pleat XL11 is a medium efficiency extended surface pleated panel filter, engineered to provide higher initial efficiencies and better overall performance than standard pleated filters. The Multi Pleat XL11 carries a MERV 11 fractional