18x31x2 MERV 8 Standard Capacity NOVA Pleat - 4 PackNominal Size: 18x31x2 $92.40 SKU: NSS18A31A2A-4 Back $92.40 Quantity -+ Add to Cart Details 18x31x2 MERV 8 Standard Capacity NOVA Pleat - 4 Pack DetailsBackDetails18x31x2 MERV 8 Standard Capacity NOVA Pleat - 4 PackSee MoreSee Less