PERCH Electro-Static Dissipating (ESD) Chair | Medium Bench Height 21.5-29"

Features

• Seat and Back: 18" wide x 16" deep, 2.5" thick; back 16.5" wide x 11.5" high; tilts and locks.
• ESD models are tested for static-dissipative performance in accordance with ANSI/ESD STM12.1, at a point-to-groundable-point resistance below 1.0 x 10^9 ohms. Testing is in-process sampling, not third-party certification. Static-dissipative performance depends on a controlled environment held at approximately 74°F with relative humidity of at least 15%.
• Height: Medium Bench Height 21.5-29", measured from the top of the seat to the floor.
• Base and Casters: Polished cast aluminum base, on dual-wheel, self-braking, non-marring casters for hard floors and carpet.
• Warranty: 15 years against defects in the frame and structure, 3 years on the seat and back including static-dissipative performance, and a replacement gas cylinder at no charge for the life of the chair.