The cookie settings on this website are set to 'allow all cookies' to give you the very best experience. Please click Accept Cookies to continue to use the site.

GL9BDT - 9" Drop through gas lift, Black - Class 4

GL9BDT - 9" Drop through gas lift, Black - Class 4

£35.94 (Inc. VAT)
£29.95 (Ex. VAT)
Write a Review
Free Shipping

Product Description

GL9BDT - Drop Through Gas Lift 9" Black

  • Commonly fitted to Humanscale Freedom, Liberty & Diffrient World chairs
  • 9" outer casing length
  • Column/piston diameters are 50mm (tapered to fit) at chair base and 28mm (tapered to fit) at seat mechanism
  • Suitable for executive or managers chairs
  • Heavy duty 150kgs / 23 stone
  • BS, BIFMA & SATRA Certified
  • 3 years guarantee


Pressure cylinder

Outer body casing

Compressed overall

Extended overall


10” (250mm)

9” (225mm)

11 ¼” (285mm)

16” (410mm)



If you are unsure about fittings or sizing, please contact us & we will be happy to advise

Fitting instructions.

The term 'drop through' refers to where the bottom of the gas lift protrudes through the bottom of the base, usually used with pyramid style bases.

Measure 'A', the total length of the 50mm outer body casing ONLY to determine the correct size


Related Products