MB® Sanitary Sample Valve | Replacement Cup Gasket MB® Sanitary Sample Valve | Replacement Cup Gasket Product form SKU: CON4P29 $5.49 Quantity Add to cart Free Shipping on orders over $59 This item ships freight only. You're getting the best possible deal on this item, thanks to our Minimum Advertised Price (MAP) policy. This item is available for Pre-Order. Full payment is required to reserve stock.