SCHWARZER STOFF RH400 ERGONOMISCHER BÜROSTUHL MIT KOPFSTÜTZE
And the hour count only goes up from there. WITH HEADREST. HIGH BACK ERGONOMIC OFFICE CHAIR. BETTER CHAIR. OR JUST BUY A CHEAP ONE?. ADJUSTABLE HEADREST. The RH Logic 400 is on of the most popular ergonomic office chairs in the RH range.