Gas spring works for 291520-BG, & any other other Full Size wall desks.
Warranty
1 Year: PowerLifter I , PowerLifter II, Blood Filtration PowerLifter, Kidney Stand, All Acrylic and PETG products, Hospital Grade Cord Reel, Rings for Binders, Omni Clamping System, Keys, Locks, Slides, Casters, Gas Cylinders and All Custom Items.