BD Macro-Vue RPR Circle Card Test Kits BD Diagnostics Accessories 10-Spot Cards Bulk 5000 Tests. Simply place the card in the reader expose the card to light and read the resulting circle of positive test results. The incorporated light source in the reader produces a bright halo of light at the point of writing indicating positive test results. The test circle remains printed on the card until the reader is removed. Then the circle goes out of focus revealing the original test result. The circle can then be used as a circle printer to print additional test spots. The test circle is dried after each use and each card is replaced with a fresh one. The reader and circling device are no longer needed. The entire unit can be disposed of after each use or a sample is returned to the manufacturer for re-use. Specifications for BD Macro-Vue RPR Circle Card Test Kits BD Diagnostics 275110 Accessories 10-Spot Cards Bulk (5000 Tests): Description: 10-Spot Cards Bulk (5000 Tests) BD No.: 275110 Unit: Each (1 KT) (Please note that the description and stock photo may not correspond to the specific model listed above) We offer only genuine BD Medical products authorized for sale in the U.S. and other markets so you can be sure that you are buying authentic Laboratory Consumables with a full manufacturer's warranty in addition to our own 100percent Satisfaction Guarantee. We are your premier online distributor for BD Laboratory Consumables. We are an authorized supplier to all federal and state government agencies as well as to research and educational institutions and can facilitate volume orders on many types of laboratory equipment lab consumables and other products to help fulfill your specific needs. In addition to the BD Macro-Vue RPR Circle Card Test Kits BD Diagnostics Accessories 10-Spot Cards Bulk (5000 Tests) 275110/ 90003-948 we carry a full complement of Laboratory Consumables as well as other product offerings from BD Medical. We also carry a full line of BD accessories to help meet your laboratory and scientific needs. For a complete selection of BD Laboratory Consumables please visit our BD Medical page. For more brand name Laboratory Consumables please visit our Laboratory Consumables store section. To see our complete line of lab medical industrial and scientific products please see our science and lab equipment online catalog. BD Macro-Vue RPR Circle Card Test Kits BD Diagnostics 275110 Accessories 10-Spot Cards Bulk (5000 Tests)