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These standard (90mm x 15mm, about 3.5-inch) plastic, sterile Petri dishes, come with a lid and bottom for each. Buy in packages of 20 (item #073866) for a class or co-op or individually for an affordable lab component.
Publisher's Description of Petri Dishes (Polystyrene) 90mm x 15mm
Our polystyrene Petri dishes are two pieces (lid and bottom), and sterile.
Additional Info
NOTICE FOR CALIFORNIA RESIDENTS: WARNING: Cancer and Reproductive Harm www.p65warnings.ca.gov
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part of A Gentle Feast supply list for science
homeschool teaching materials