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Office Master IU79PD 24-7 Intensive Use Heavy-Duty High-Back Chair

  • $620.75
  • Ships within 7-10 business days

  • Customizations Total: $0.00

    Perfectly suited for users of tall to extra-tall statures. 350 lbs max.

    With heavy-duty components and an extra-durable ballistic nylon overlayer to protect the bottom half of the backrest from excessive wear, Office Master has over-engineered these chairs to provide you with complete 24/7 reliability.

    The 24-7 Intensive Use, Heavy-Duty PD High-Back Ergonomic Task Chair is truly built to last in the most challenging of environments. High-back and large seat built for tall and extra-tall users.

    IUPD Series designed to accommodate users up to 350 pounds.

    All Intensive Use Heavy-Duty models include ergonomic features such as seat depth adjustment, memory foam seat cushion, independent seat and back tilting adjustment, EZ back height adjustment, and rocking tilt.

    Optional equipment available includes a wide variety of Arms, Adjustable Lumbar, Cylinders, Casters, Fire Barrier Upholstery and Upholstered Back. See below for more detailed information.

    A wide variety of 5 fabric grades as well as leather available with 429 total color options. See link to Fabric and Color pdf below:

    View Fabric & Color Swatches (PDF)

    Features & Benefits:

    • Pneumatic lift
    • Tilting backrest
    • Easy back height adjustment
    • Rocking tilt
    • Seat tilting
    • Seat depth adjustment
    • Heavy-duty structure
    • Dual tone oversized soft casters
    • DCS memory foam seat
    • Optional Adjustable Lumbar



    • Seat Height Range: 17" - 22"
    • Back Dimensions: 19.5" w x 28" h
    • Seat Dimensions: 22" w x 18" - 21" d
    • Overall Width: 28"
    • Overall Height: 46.5" - 54.5"
    • Weight Capacity: 350 lbs
    • 7 year Limited Warranty 

    Suggested Arm Options:

    New Arrivals!

    View All Other Available Arm Options (PDF)



    • 5" Black Heavy Duty - Seat height range: 17" - 22" (standard)
    • 4" Black Heavy Duty - Seat height range: 16" - 20"
    • 6" Black Heavy Duty - Seat height range: 18" - 24"

      Memory Foam Seat Cushion (standard):

      • Deluxe: DCS-S - Double Comfort Seating (DCS) Technology -- A comfort-layer of viscoelastic (memory) foam molded over OM high-resilience support foam for sigh-producing, long-lasting comfort.

      Seat Slider (standard):

      • SLD - Seat depth adjuster, for that perfect fit of back and seat.

      Upholstered Back (optional):

      • Matching fabric applied onto outer back shell of small chairs (Fabric Grades 1-4).

      • Matching fabric applied onto outer back shell of small chairs (Fabric Grade 5).

      • Scratch-resistant & extra-durable Ballistic Nylon applied onto outer backshell.

      Fire Barrier (optional):

      • Upholstery with fire barrier to meet CA-TB 133 fire code.

      Coccyx-Cutout (Available ONLY with Grade 2 Soft-Sit or Grade 5 ComfortKnit fabrics)

      • Hidden: Concealed ultra-soft foam reservoir to relieve tailbone (coccyx) pressure
      • Visible: Ultra-soft foam reservoir to relieve tailbone (coccyx) pressur

        View Fabric & Color Swatches (PDF)

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