Notes:

• The standard seat on model HC1690 features No-Sag springs.
• Model 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