Small-scale distributors - Industrial Quality -, Flange type, with open front sides, for the use with various flanges, for the combination of several AK-F distributors via combination flange, 2-row, 28 distribution units, 150 mm rail spacing, integrated ventilation elements to reduce the formation of condensate water, masking and labelling strips, additional double-membrane seals and other accessories, flange and flange set must be purchased separately