Cell counts are easy when optical quality is combined with an injection molded 20 mm grid. Treated disposable dishes provide a homogeneous surface for optimum cell growth and attachment. Molded rings facilitate stacking and storage. Gamma irradiated. 150 x 25 mm. Working volume 45-50 ml. Packaged in peel-open packs to assure sterility. Supplied 10/sleeve; 100/case.