Nelson-Jameson Petri Dishes, 100 mm x 15 mm, Polystyrene, Sterile, Slippable, ISO Mark, 500/Case

Packed in a double-sealed polyethylene sleeve to keep dishes sterile during transit, storage, and handling. These heavy, clear dishes have consistently flat bottoms (never more than 0.005" off flat from edge to center). Flat dishes require less media for adequate coverage in the center of the dish. Stacking dishes feature a vertical stacking ring on the lid to assure stable stacking. Designed for easy one-handed opening and closing. Edges are squared off to provide a firm, sure grip. Works well with automation.