Glassine inserts that fit into most Mason Bee guard tubes in the industry. To be successful with raising Mason Bees, we recommend that you open 15% of your inserts to determine the health of your mason bees.

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Product Review

Glassine inserts that fit into most Mason Bee guard tubes in the industry. To be successful with raising Mason Bees, we recommend that you open 15% of your inserts to determine the health of your mason bees.

  • Glassine Insert that is compatible with other guard tubes on the market.
  • Do not use these without a Guard Tube around them. (8mm EasyTears) as pests can penetrate the sidewalls easily.
  • Contains 60 inserts
  • For good quantity discounts, visit the Crown Bees website
  • Easily pulled from either guard tubes with plastic stops on the back, or from Crown Bee guard tubes with paper backs.

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