Notes:

• The standard HC1690 seat features No-Sag springs.
• The HC1690 is available with casters on the front legs.

Four additional versions of this chair are available:

• Open sides – model HC1690USB
• Horizontal wood slat inserts on both sides, between the armrest and seat – model HC1690USB-HS
• Vertical wood slat inserts on both sides, between the armrest and seat – model HC1690USB-VS
• X-style insert between the armrest and seat – model HC1690USB-VX