fischer flat fittings PFFF are suitable for the construction of simple channel systems. The flat fittings are offered as flat fittings with two formed holes or longitudinal flat fittings with four formed holes for connecting the fischer mounting channel FUS with the fischer push-through connector PFCN. The flat fittins can be used to save space when constructing channel connections. The galvanised zinc design is suitable for installations in buildings, the hot-dip galvanised or zinc flake surface coating and stainless steel designs are suitable for installations outside and in highly corrosive environments.