“EXTENSION UPPER CONE VALVE N2 S-2-20/45” has been added to your cart. Continue shopping Remove item Thumbnail image Product Price Quantity Subtotal × EXTENSION UPPER CONE VALVE N2 S-2-20/45SKU: AST20962 $249.32 EXTENSION UPPER CONE VALVE N2 S-2-20/45SKU: AST20962 quantity $249.32 Coupon: Apply coupon Update cart Cart totals Subtotal $249.32 Shipment UPS Priority Shipping to TX. Total $249.32 Proceed to checkout