9x51x1 MERV 8 Standard Capacity NOVA Pleat - 4 PackNominal Size: 9x51x1 $122.76 SKU: NSS9A51A1A-4 Back $122.76 Quantity -+ Add to Cart Details 9x51x1 MERV 8 Standard Capacity NOVA Pleat - 4 Pack DetailsBackDetails9x51x1 MERV 8 Standard Capacity NOVA Pleat - 4 PackSee MoreSee Less