A pneumatic coupler and method for coupling a hose to a surface of an agricultural implement is provided. The pneumatic coupler includes a hollow tube with a radially extending flange. The flange has one or more cutouts to permit the flange to pass through an aperture containing one or more protrusions. The flange has one or more recesses to mate with the one or more protrusions to mitigate rotation of the pneumatic coupler relative to the surface. A nut connects to the hollow tube and at least partially surrounds the hollow tube. A sealing member disposed between the flange and the nut provides a seal at the aperture of the surface.