VWR Petri Dishes Contact Plate Sterile Flat Bottom Inside Grid. Combining top-notch and uncompromising quality with an affordable price the VWR Petri Dishes Contact Plate Sterile Flat Bottom Inside Grid 3550/ 25384-093 can fulfill your laboratory needs while still offering a great value for the money. Product Category Description: Optically Clear for Easy Reading Venting Ribs for Free Air Circulation Ideal for all types of culturing where accurate bacterial count or microscopic examination is required. Molded from virgin polystyrene these dishes provide distortion-free visibility. Engineered for optimum flatness to provide uniform agar thickness. Venting ribs on inside cover allow free circulation of air and prevent condensation buildup enabling optimum culture growth and media shelf life. Gamma radiation sterilized. Contact plates are ideal for environmental studies to determine levels of microbial contamination of surfaces. Molded-in grid patterns on the bottom dish facilitate counting and locating colonies. Lip on bottom dish enables contamination-free handling. Stacking rings on the lid and bottom help dishes to stack better without sliding. When a convex bottom dish is filled with 16.5-17.5mL of media the media surface is raised to a convex shape. Augmented petri dish 25384-338 has slightly larger interior dimensions for better seating of filter paper. 10mm grid. Dimensions: 65dia.x15Hmm. Ordering Information: Packaged sterile in easy-open linear-tear bags. Specifications for VWR Petri Dishes Contact Plate Sterile 3550 Flat Bottom Inside Grid: Description: Flat Bottom Inside Grid Quantityper Bag: 20 (Please note that the description and stock photo may not correspond to the specific model listed above) We offer only genuine Parter Medical products authorized for sale in the U.S. and other markets so you can be sure that you are buying authentic Beakers Test Tubes Flasks & Accessories with a full manufacturer's warranty in addition to our own 100percent Satisfaction Guarantee. We are your premier online distributor for VWR Beakers Test Tubes Flasks & Accessories. 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. We offer Free Shipping and FREE USPS shipping to APO and FPO addresses on all orders in our store over 49. Please refer to our APO/FPO Shipping and Export Restrictions for more information on export to APO/FPO addresses. In addition to the VWR Petri Dishes Contact Plate Sterile Flat Bottom Inside Grid 3550/ 25384-093 we carry a full complement of Beakers Test Tubes Flasks & Accessories as well as other product offerings from Parter Medical. We also carry a full line of VWR accessories to help meet your laboratory and scientific needs. For a complete selection of VWR Beakers Test Tubes Flasks & Accessories please visit our Parter Medical page. For more brand name Beakers Test Tubes Flasks & Accessories please visit our Beakers Test Tubes Flasks & Accessories store section. To see our complete line of lab medical industrial and scientific products please see our science and lab equipment online catalog. VWR Petri Dishes Contact Plate Sterile 3550 Flat Bottom Inside Grid