Clear tops for distortion-free viewing.

• Radiation sterilized; sterile if sleeve is unopened
• Top and bottom edges are squared off (not rounded) to provide a firm, sure grip
• Bottom is flat so medium spreads evenly over the entire dish bottom
• Three ventilation ribs allow free air circulation and reduce condensation during incubation
• Lid skirt is flared just enough so that it can be replaced quickly after streaking
• Place lid upside down on dish to close off dish from outside environment

Raised-Ridge Petri Dishes

• Stack high and remain stacked
• Minimum of slipping, sliding, and resulting scratches

• Ideal for automated filling systems
• Remove dishes easily from the center of a stack

• Ideal for use in automated systems