21x40x2 MERV 8 Standard Capacity NOVA Pleat - 2 PackNominal Size: 21x40x2 $68.60 SKU: NSS21A40A2A-2 Back $68.60 Quantity -+ Add to Cart Details 21x40x2 MERV 8 Standard Capacity NOVA Pleat - 2 Pack DetailsBackDetails21x40x2 MERV 8 Standard Capacity NOVA Pleat - 2 PackSee MoreSee Less