Polypropylene filter bag designed for one year of use under normal conditions if properly handled. (1) bag is supplied standard with new Filtration Systems. Belshaw Adamatic by Unisource Replacement Filter Bag, Large [EZ34-0027] is perfect for your establishment. Belshaw Adamatic Bakery Group has served the baking industry for over 90 years and is one of the leading bakery equipment companies in the USA. Belshaw and Adamatic combined in 2007 to provide equipment for retail and wholesale bakeries, QSR’s, Supermarkets, Concession operators, and many more.