Circular porous cellophane sheets are desinged to fit inside standard petri dishes. The circles have a diameter of 8cm, and they can float on top of media and / or nutirional platforms. The organism of interest can be seeded on top of the cellophane, and can absorb nutrition through the pores. This makes harvesting easier and more efficient.
Porous cellophane circles, 8cm diameter, pack of 100
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