FNP Postmeister consists of narrower compartments, to store by example magazines or LPs.
FNP shelf system - versions
FNP 12 – FNP of material thickness 12 mm
FNP X – FNP with smaller compartments (in height, width, depth)
FNP X12 – FNP X of material thickness 12 mm
FNP Archive – FNP with doubled depth, accessable of both sides, freestanding
FNP Postmeister – FNP with narrow compartments, material thickness 12 mm