Possibility of serving without frames or with untensioned Langstroth Hoffmann frames

D-Calcium pantothenate (3a841) 10 mg/kg

filter and tap included

They are prepared so that they cannot be gnawed by bees

Regulador Jumbo alta presión variable Limpiadora de polen Possibility of serving without framesJumbo high variable pressure regulator of national manufacture UNE EN 12864 certified by AENOR. It connects to the bottle valve using a quick connect system, reducing the pressure inside the bottle to a service pressure between 0 and 2 bar suitable for use in fire markers for hives. It has a 35mm valve, with a guaranteed flow rate of 4kg h. It can be installed indoors. Useful life 10 years. Includes nozzle kit for high pressure regulators.