ROUND PLASTIC FORMIC AND ACETIC ACID DISPENSER Dim.: Diameter 12 cm - Height 2.8 cm DISPENSER with: Lid, absorbent sponge, dispensing body with revolving fins to regulate the flow of evaporation TO BE PLACED ON FRAMES WITH REVERSED HIVE COVER (from 1 to 4 dispensers per hive) max dose for dispenser 120 ml