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RoBo-Block, National, for all floor types

RoBo-Block, National, for all floor types
RoBo-Block, National, for all floor types RoBo-Block, National, for all floor types RoBo-Block, National, for all floor types RoBo-Block, National, for all floor types RoBo-Block, National, for all floor types
Price: £12.00
Ex VAT: £10.00
Product Code: M4000
Size (L x W x H): 0.00mm x 20.00mm x 20.00mm
Availability: In Stock

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The only entrance block you will ever need. Made for National (405mm), Commercial (405mm), Dadant (425mm), Langstroth (367mm) and Smith (417mm) hives. Please advise length of entrance if you think your floor may be a different size. Opening must be at least 20mm high.

Made from 20mm aluminium profile, the same size as a regular entrance block. Developed, tested and manufactured at Rand.

In its main position the block is either an entrance ventilator of 3mm holes on the right-hand side or an anti-robbing device of 6mm holes on the left-hand side, with a further row of 6mm holes off-set on the opposite side. Bees in the hive can find their way out and back again. Robbing bees or wasps find it difficult to negotiate both banks of holes. The adjustable alloy slide is used to close the entrance as required, exposing the ventilation holes. Also in this position, the slides can be extended outwards and tacked/screwed to the floor joists. In this position the hive will be completely closed and secure if you are planning to move it any distance.

For those keen to examine the pollen the hive is collecting, turn the block away from you through 90 degrees and expose a 6mm entrance slot on the left-hand side (this also acts as a mouseguard) plus a bank of 5mm pollen stripping holes on the right-hand side with an alloy slide to expose either feature. Below the stripping holes is a shallow, removable tray which collects the pollen samples. This will only need to be set to pollen stripping for a matter of minutes as samples will build up rapidly.