Multiple singling device

A multiple singling device for an agricultural air seeder, wherein an air seeder comprises a plurality of furrow openers for laying seed separated by the multiple singling device, an inlet opening, and at least two seed outlets, each of which guides a single seed into a furrow opener, wherein the multiple singling device has at least one rotationally driven singling device arranged in its outer region with regularly arranged recesses which surround the singling device on a first side in its lower region, wherein the singling device comprises a housing to accommodate a seed stock, wherein the seed stock surrounds the singling device on the first side in its lower region by a pneumatic pressure drop, existing between the first side and a second side of the singling device, the single seed is deposited on the first side of the singling device in its recesses and is drawn from the seed stock into the at least two seed outlets by an interruption in the pressure drop,

• wherein the housing, surrounding the singling device, includes a central web element carrying the housing, and housing halves arranged on a right and left of the central web element;
• and
• wherein the central web element comprises at least one breakthrough opening, through which the singling device, a drive, or a bearing shaft extends.