These Thermowell® polypropylene 96-well PCR microplates from Corning® feature a rigid construction that is ideal for automation. Uniform wall thinness assures efficient heat transfer while minimizing well-to-well variability. 100% tested for well integrity and certified DNase- and RNase-free. Nonsterile, without lids. Conical well bottoms. These plates can be cut into 3 x 8 well strips for lower throughput applications. For oil-free sealing, use Cat.Nos. 83-6570, 83-6555, 83-6556 or 83-6524.