Keep your cool with these hardworking chairs. On top of the light as a cloud Air Grid back, each also comes with a seat fabricated from a tough breathable mesh fabric Offering exeptional strength, this mesh also offers a distinctive and inviting texture. The 2 to 1 synchro tilt mechanism found on the OS-5500 and OS-55403 helps optimize posture by moving the seat and back simultaneously at different angles.

Air Grid® Series Specifications:

Overall Dimensions: 42"H x 26.75"W x 26.5"D
Seat Dimensions: 20.5"W x 21"D x 3.5"T
Back Dimensions: 20.5"W x 19"H
Arms Max Inside: 18.75"
Arms to Floor Min: 5.5"
Seat Height Min: 18"
Seat Travel: 4.25"
Weight: 40 lbs.
Shipped Ready to Assemble (RTA) w/ Assembly Instructions (click here to view)
Rated for 250 lbs
Meets industry standards for ANSI/BIFMA

OS-5500 Features:

Breathable Air Grid Seat and Back with Built-in Lumbar Support
One Touch Pneumatic Seat Height Adjustment
2-to-1 Synchro Tilt Control with Adjustable Tilt Tension
Height Adjustable Angled Arms w/ Soft PU Pads
Heavy Duty Angled Nylon Base with Oversized Dual Wheel Carpet Casters

Limited Lifetime Warranty:

Space and Proline II chairs are warranted from the date of purchase against failure due to material and workmanship as follows: lifetime on component parts including pneumatic cylinder, control mechanism, base and casters, 3 years on upholstery fabric and foam against wear and deterioration, leather is not warranted against routine scratching and scuffing as leather is subject to minor blemishes in use. All warranties are limited to the purchaser for the normal commercial usage defined as a standard forty hour work week by persons weighing 250 lbs. or less. The OS-7102, OS-7105 and OS-7200 are for persons weighing 350 lbs. or less. This warranty will not cover labor, freight or damage from misuse, abuse, negligence, alteration, accident, vandalism, rusting, acts of nature or any other event beyond the control of Office Star Products. The warranty does not cover cosmetic damage that may result from normal use. When usage is more than 40 hours per week, a 5 year warranty on all parts applies. Fabric is warranted for one year. This warranty gives you specific legal rights, and you may also have other rights which may vary from state to state. All Proline II and Space chairs meet or exceed ANSI BIFMA standards.