Product details
Whether your current cylinder has failed, leaving your chair stuck at one height or slowly sinking during use, or you're refurbishing a quality office chair for extended service life, this Class 4 cylinder provides the ultimate solution.
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Premium Class 4 Construction: This Class 4 gas cylinder offers maximum durability, superior load capacity, and a longer service life than lower classifications, making it ideal for heavy-use environments.
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Universal Brand Compatibility: With a 2-inch (50mm) outer diameter and universal taper, this cylinder fits 99% of office chair bases and is compatible with top brands like Herman Miller, Steelcase, Knoll, Haworth, and Humanscale.
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Heavy-Duty Weight Capacity: Designed to support users weighing 250-300 lbs (113-136 kg), it maintains consistent performance under heavy loads, ensuring reliable height adjustment.
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360-Degree Swivel Capability: Full rotation functionality allows natural movement and easy access to your workspace, ensuring smooth swivel action.
Its sleek chrome finish complements any professional environment, while the robust steel construction ensures years of dependable operation under the most demanding conditions.
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Type
Class 4 Cylinder -
Height Adjustment
16 to 21 Inches -
Max Weight Recommendation
Upto 300 Pounds
Customer Satisfaction Commitment
We strive for 100% customer satisfaction and ensure quality assurance across all Chairorama products.
Warranty Coverage
- New products include a 1-year manufacturer’s warranty.
- Renewed products include a 12-year service warranty (unless otherwise specified) and a 3-year mechanical warranty.
- Items purchased under FINAL SALE are not eligible for warranty coverage.
Warranty Limitations
- Normal wear and tear
- Intentional or accidental damage
- Cosmetic issues
- Mesh/fabric replacement
Warranty Claims & Repairs
Any product requiring repair must be returned to our warehouse location for inspection and servicing.
Shipping charges apply for warranty returns.
Replacement parts such as casters, arm pads, posture fit, and lumbar support can be purchased directly on our website.
Brand Disclaimer
Chairorama is not an authorized dealer of Herman Miller, Steelcase, Knoll, Humanscale, or Haworth.
All warranties are provided directly by Chairorama, and manufacturer warranties do not apply.
Shipping & Returns Policy
Return Address
To return a product, please mail it to:
Hudson Modern Seating,
1245 E 16th Street,
Wilmington, DE 19802,
United States.
Return Shipping Responsibility
Customers are responsible for return shipping costs unless the item was damaged in transit.
Shipping fees are non-refundable.
If a refund is issued, the return shipping cost will be deducted.
Exchange Timeframe
Delivery timelines for exchanged items may vary depending on your location.
Shipping Recommendations for Returns
For items valued over $75, we recommend using a trackable shipping service or purchasing shipping insurance.
We cannot guarantee receipt of returned items without tracking.
Order Processing & Standard Delivery
All orders are processed and shipped within 48 hours of the order date.
Standard delivery typically takes up to 7 days, depending on courier service and destination.
Express Shipping Option
Express shipping is available for select pincodes.
To check availability, please contact our Customer Support Team.
Regional Shipping Variations
Shipping charges may vary for locations such as Alaska & Hawaii.
