Description 4.0 inch stainless steel with Buna Rubber 4.63" OD 3.88" ID FDA approved 4.0 inch Screen Gasket (Buna N/316 Stainless Steel) -20F to 250F temp range Used ahead of plate cooler and intake at wash sinks. prevents foreign objects from going past that coupling. Made in USA Meltec 4999-1001-264 40MPUS400-10SS updated August 2023
