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Nonwoven Poly-Fabric Squares - 12cm

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  • Regular price $1.50
  • 4 available
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These squares are cut to fit our culture cups and standard sized mason jars. They serve as an extra barrier to keep out pests and mites and keep in fruit flies, while allowing air ventilation! 

If you are having trouble with foreign flies and mites getting into your culture, a barrier like this under the lid can prevent future incursions. 

Size: 12cm square.
Notes: Non-microwavable. Avoid use with hot materials. Wash with lukewarm soapy water, sterilize with a dilute bleach/water soak for re-use.
Qty: 5 pack or 15 pack