TEST PACK, BOWIE-DICK DISP (30TESTS/CS) McKesson Disposable Bowie-Dick Type Test Pack Designed to detect the presence of residual air in pre-vacuum steam sterilizers. For daily monitoring pre-vacuum steam sterilizers. Each disposable test pack contains a chemical indicator sheet, and Instructions For Use are printed on the box. Not Made with Natural Rubber Latex. Packaged: 30 Test Packs Per Case