FAM plastic evaporator dispenser for adjustable formic acid (pos.1-7), complete with absorbent sponge Dimensions: 25.5 x 25.5 x H= 1.6 cmSpare sponges (Code MP 814) To be applied over the nest framesRemove the Honey super and leave the bees with sufficient supplies for the duration of the treatment.Prepare the evaporator: remove the lid, add formic acid on the sponge and close the lid. Once in the apiary, open the disc according to temperature and family size. Place the inverted evaporator directly above the brood area. Best results are obtained with a 2-3 cm space between the evaporator and the upper slats of the frames. Adjust the disc opening after 2 days, following the instructions of the drug used. WARNINGS: Read attached instructions.