Product DescriptionProduct NameLaboratory ChairBrandGAOSHENG Brand,Nuogo Seating FactoryTextureFashion, comfortable, breathableModel No.GS1040 Laboratory ChairDescriptionFeatures:1) Color: Black Laboratory Chair2) Height adjustable, optional available for backrest adjustable3) 360° swivel, easy-to-use pneumatic seat height adjustment from 440MM-580MM4) Lifetime guarantee on the pneumatic cylinder5) Optional for high performance footing diameter 400mm6) 5-Star chrome steel base radius 260mm or 300mm for options, with conductive grounding chain7) system resistance8) No tools needed for assembly9) Lifting pneumatic rod: foreign trade high-grade pneumatic rod,10) Adjustable height range: about 440mm-580mm (multiple specifications of air rods can be selected);roduct DescriptionProduct NameLaboratory ChairBrandGAOSHENG Brand,Nuogo Seating FactoryTextureFashion, comfortable, breathableModel No.GS1040 Laboratory ChairDescriptionFeatures:1) Color: Black Laboratory Chair2) Height adjustable, optional available for backrest adjustable3) 360° swivel, easy-to-use pneumatic seat height adjustment from 440MM-580MM4) Lifetime guarantee on the pneumatic cylinder5) Optional for high performance footing diameter 400mm6) 5-Star chrome steel base radius 260mm or 300mm for options, with conductive grounding chain7) system resistance 8) No tools needed for assembly9) Lifting pneumatic rod: foreign trade high-grade pneumatic rod,10) Adjustable height range: about 440mm-580mm (multiple specifications of air rods can be selected);