HiveMeadow
Mann Lake Plastic Queen Excluder
Full specification5 entries
Material
Durable injection-molded plastic
Compatibility
10-frame Langstroth hive bodies
Dimensions
16.25 in x 19.875 in
Slot Spacing
0.163 in (worker bee passage)
Weight
0.5 lbs
Hive Components · ranked 87 of 99

Mann Lake Plastic Queen Excluder

Mann Lake · ★★★★☆ 4.2 / 5

The Mann Lake Plastic Queen Excluder is a budget-friendly, functional option for beekeepers who want to confine the queen to the brood chamber without the added weight or cost of metal excluders.

  • Lightweight rust-proof design
  • Fits standard Langstroth hives
  • Budget-friendly queen control
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  • Price and stock are set by the retailer
  • Scored from the specification and owner reports
  • No paid placement anywhere on this site
Who it fits
  • Affordable compared to metal excluders
  • Won't rust or corrode over time
  • Lightweight, easy to handle during inspections
  • !Can warp slightly in extreme heat
  • !Bees may propolize edges more than wire excluders
Stack it against
The verdict

The Mann Lake Plastic Queen Excluder is a budget-friendly, functional option for beekeepers who want to confine the queen to the brood chamber without the added weight or cost of metal excluders. While it lacks the rigidity of framed metal versions, its lightweight design and rust-proof material make it a practical choice for hobbyists managing standard 10-frame Langstroth hives.

Bench scorecard

Derived from this product's specification, features and owner reports.

Build 72
Handling 89
Value 88
Lasts 88

Key features

  • Injection-molded rigid plastic construction
  • Fits standard 10-frame Langstroth hive bodies
  • Precision-spaced slots to separate queen from workers
  • Lightweight design for easy hive inspections
  • Smooth edges to minimize bee injury and propolis buildup

Living with it

What works

  • Affordable compared to metal excluders
  • Won't rust or corrode over time
  • Lightweight, easy to handle during inspections
  • Simple to clean with soapy water
  • Consistent slot spacing supports queen exclusion

What to watch

  • Can warp slightly in extreme heat
  • Bees may propolize edges more than wire excluders
  • Less rigid than metal frame excluders
  • Corners can be brittle in cold weather

The full review

The Mann Lake queen excluder in durable plastic is designed to give beekeepers reliable control over hive traffic while keeping the queen safely confined to the brood chamber. Constructed from rigid, food-grade plastic, this excluder features precisely spaced slots that allow worker bees to pass freely between boxes while preventing the larger queen from moving into honey supers. This separation is essential for maintaining clean honey production, since it stops the queen from laying eggs in the frames meant strictly for honey storage, which in turn keeps harvested comb free of brood and debris.

Built to fit standard Langstroth hive dimensions, this queen excluder is sized to sit neatly between the brood box and honey supers without gaps that bees could exploit to bypass its function. The plastic material offers a lightweight yet sturdy alternative to metal excluders, resisting warping and corrosion even when exposed to the varying humidity and temperature conditions typical inside an active hive. Beekeepers appreciate that the smooth plastic surface is easy to clean and less likely to snag or injure worker bees as they move through the grid, reducing wear on their wings and legs compared to older wire-style designs.

This Mann Lake excluder is a practical tool for hobbyist and commercial beekeepers alike who want a straightforward way to manage colony organization and improve harvest quality. Its lightweight construction makes it easy to lift and reposition during hive inspections, and its rigid frame maintains consistent spacing over repeated seasons of use. Whether used to protect brood integrity, streamline honey extraction, or simply bring more predictability to hive management, this plastic queen excluder serves as a dependable, low-maintenance accessory that fits seamlessly into any beekeeping operation reliant on standard Langstroth equipment.

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