... 3 Oem package is available 4 Use at home easily LH Ovulation Rapid Test We, Nantong Diagnos Biotechnology Co.,ltd, supply kinds of ... , cassette/card, midstream/pen. Below, pls see more about the LH Ovulation Test.About the sizes, we have 2.5mm 3.0mm 3 ... , 5.5mm and 6.0mm for midstream.INTRODUCTIONThe One Step LH Urine Ovulation Test is fast and easy to use. It is a ...