FILTER RIGID MERV11 16X20X4 FILTER RIGID MERV11 16X20X4 Vf2-M-4603 60[perCent]-65[perCent], galvanized steel cell sides, box construction - no header, 2in and 4in thicknesses, adhesive bead separators, 90-95[perCent], 60-65[perCent] efficienciesUnit: Each This listing is for Each

• FILTER RIGID MERV11 16X20X4 FILTER RIGID MERV11 16X20X4 Vf2-M-4603 60[perCent]-65[perCent],

FILTER RIGID MERV11 16X20X4 FILTER RIGID MERV11 16X20X4 Vf2-M-4603 60[perCent]-65[perCent],Total Filtration Services