New Replacement Herman Miller Aeron, Mirra, Celle, Embody, Sayl Hard Floor Wheels Casters (Set of 5). New Replacement Herman Miller Aeron, Mirra, Celle, Embody, Sayl H9 Translucent Hard Floor Wheels Casters (Set of 5). Aeron Fit / Size Chart. Use & Care Manual. Video Adjustment Information View these QuickTime videos to learn about the ergonomic adjustment options available on Aeron seating. Instructions shown are for all possible adjustments; specific adjustments vary according to chair model. (436KB) Seat Height Video. (390KB) Tilt Tension Video. (1.1MB) Arm Height Video. (718KB) Forward Tilt Video. H9 – +2 1/2 translucent soft caster for hard floors or carpet. We accept most major credit cards in our showroom. Herman Miller Sayl Chair? Herman Miller Setu Chair?