Agglutination tube lamp viewer with concave mirror. For blood bank serology testing. Equipped with concave mirror and 5 watt xenon bulb for closely viewing specimen reactions through glass test tube. Magnifies specimens in test tubes for proper grading and observation. One may remove mirror for close agglutination viewing. Easily adjust neck to view specimens or culture tubes. Aggluti... https://bloodbankdepot.com/product/agglutination-lamp-tube-viewer/