Williams Refrigerated Preparation Well TW9-S3Ideal for either front of house use in self service areas, or for back of house use as a salad prep unit, the high performance Williams TW9 S3 ensures your chilled food or ingredients are kept at the perfect temperature and easily accessible. 1 3 GN compatible, you can keep generous portions of salad, dessert or cooked meats ready to go and once service is over, the handy hinged lid allows the unit to be discreetly packed away.