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third-generation w810 – white frame with black mesh – with headrest – aluminum alloy base second-generation w810-white frame gray mesh-with headrest-height-adjustable lumbar support-nylon base second-generation w810-white frame black mesh-no headrest-height-adjustable lumbar support-nylon base second-generation w810-white frame gray mesh-no headrest-height-adjustable lumbar support-nylon base second-generation w810-white frame black mesh-with headrest-height-adjustable lumbar support-nylon base second-generation w810 – white frame with black mesh – with headrest – aluminum alloy base second-generation w810 – white frame with gray mesh – with headrest – aluminum alloy base second-generation w810 – black frame with black mesh – with headrest – aluminum alloy base ↓↓↓↓↓the following are aluminum alloy feet↓↓↓↓↓ third generation w810-white frame black mesh-with headrest-height-adjustable lumbar support-nylon base third generation w810-black frame black mesh-with headrest-height-adjustable lumbar support-nylon base third generation w810-black frame black mesh-no headrest-height-adjustable lumbar support-nylon base third generation w810-white frame gray mesh-no headrest-height-adjustable lumbar support-nylon base third generation w810-white frame grey mesh-with headrest-height-adjustable lumbar support-nylon base third-generation w810 – black frame with black mesh – with headrest – aluminum alloy base third generation w810-white frame black mesh-no headrest-height-adjustable lumbar support-nylon base third-generation w810 – black frame with black mesh – no headrest – aluminum alloy base third-generation w810 – white frame with gray mesh – no headrest – aluminum alloy base second-generation w810-black frame with black mesh-no headrest-height-adjustable lumbar support-nylon base second-generation w810-black frame with black mesh-with headrest-height-adjustable lumbar support-nylon base third-generation w810 – white frame with black mesh – no headrest – aluminum alloy base third-generation w810 – white frame with gray mesh – with headrest – aluminum alloy base

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