UV4509PF Dynaflux Plastic Filter Plates,4-1/2"x5-1/4",Shade 9 Please log in to see price or purchase this item Quantity discounts available QuantityPrice SKU: DYNUV4509PF Qty On Cart Features 100% Polycarbonate Shaded Filter Lenses. Features Back Features100% Polycarbonate Shaded Filter Lenses.