“21″ x 30″ Dielectric Mirror (tempered) – 1/4″ (6mm) Thickness – Polished Edges” has been added to your cart. Continue shopping → Remove item Thumbnail image Product Price Quantity Subtotal × 21" x 30" Dielectric Mirror (tempered) - 1/4" (6mm) Thickness - Polished Edges $1,353.91 21" x 30" Dielectric Mirror (tempered) - 1/4" (6mm) Thickness - Polished Edges quantity $1,353.91 Update cart Cart totals Subtotal $1,353.91 Shipment Shipping costs are calculated during checkout. Total $1,353.91 Proceed to checkout