Plus-DD desk dividers, design Yrj? Wiherheimo & Pekka Kojo 1997-1999.
The frame is made of 20x20 mm steel tube. Surfaces one- or double sided: perforated steel sheet, opal glass or fabric ( always double sided ). Acoustic element is standard in fabric covered dividers and by order in dividers with perforated steel sheet.

Measurements:

Plus-DD2: w 795 x h 638x d 32,
Plus-DD3: w 795 x h 537 x d 32.