Metal queen excluder with frame 420x420 mm
Metal queen excluder with frame is most popular queen excluder. Made in several sizes.
Queen Excluder DE – Metal 420 × 420 mm
Do you need to effectively separate the brood chamber from the honey super while maintaining smooth hive operation without unnecessary stress for the bees? Wire metal queen excluder 420 × 420 mm from German beekeeping supplier Mellarius is a proven tool for clean honey supers without brood. It helps simplify work during inspections and honey harvest and contributes to better extraction hygiene.
Clean Honey Super Without Brood and Easier Honey Harvest
The queen excluder serves to prevent the queen bee from passing into the honey super. The wire spacing is designed so that the queen remains in the brood chamber where she lays eggs, while worker bees can freely move to the honey super boxes. The result is a honey super without capped or open brood, which significantly facilitates extraction and work with honey frames.
Metal wire excluders made from smooth, round profile wire are among the most sought-after variants. Compared to plastic or punched excluders, they have gentler edges and very good passage, so bees don't lose time when passing through and the risk of wing damage or hair loss is minimized. In practice, this results in better colony comfort and higher forager activity.
Installation and Use Recommendations in the Hive
The excluder meets standard German specifications (DE). For proper function and bee comfort, we recommend not placing the excluder directly on the top bars of frames, but positioning it in a frame or with spacing so that bee space is maintained and bees can move freely under the excluder.
For the smoothest hive operation, it's advisable to orient the excluder so that the wires run parallel to the top bars of frames. The Mellarius brand is a good choice for beekeepers who want durable equipment with emphasis on functionality and gentleness to bees.

Technical Specifications
| Property | Value |
| Dimensions | 420 × 420 mm |
| Material | Metal (welded wire) |
| Type | Wire (round profile) |
| Origin / standard | DE (Germany) |
| Manufacturer / supplier | Mellarius |
| Purpose | Separation of honey super and brood chamber |

























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