MB® Sanitary Sample Valve | Replacement Cup Gasket MB® Sanitary Sample Valve | Replacement Cup Gasket Product form SKU: CON4P29 $5.49 ✓ In stock - available for quick shipment Quantity Out of stock Request for quote Free Shipping on orders over $79 This item ships freight only. This item is not eligible for sitewide price reductions or percentage discounts. Learn more. This item is available for Pre-Order. Full payment is required to reserve stock.