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Ergonomic laboratory saddle stool with adjustable height 500-690 mm & genuine leather seat for prolonged seating comfort.
The Topstar Bonanza Saddle Stool is designed for ergonomic support in laboratory, clinical, and biotechnological workspaces. Featuring an adjustable seat height between *500 to 690 mm*, it accommodates various bench heights and users. The saddle-shaped seat enhances posture and reduces fatigue during extended procedures. Upholstered with *genuine leather*, the seat is durable and easy to clean. The stool also offers seat tilt adjustment to optimize seating angles, supporting comfort in precision tasks such as microscopy, molecular diagnostics, and bioprocessing workflows. This ergonomic stool is essential for laboratory professionals requiring prolonged sitting under sterile or controlled conditions, widely adopted in biomedical engineering and synthetic biology laboratories.
Lab equipment markets are fragmented. Buyers spend weeks calling distributors, comparing quotes, and verifying supplier reliability. Sellers struggle to reach global research labs.
We built Questpair to fix this. Every supplier on the platform is verified before listing. Every quote you receive comes from a real, vetted seller. AI prepares your case in minutes, then a real specialist takes over.
We're an independent team based in The Netherlands, working with research labs and procurement teams across Europe and worldwide.
With a service contract, ten to fifteen years is normal for most benchtop instruments. Detectors and pumps are the parts that wear first.
Yes. Every verified supplier states which service partners cover the instrument, and we list that alongside the offer.
Ask a scientist through the request button. Parts are often available even when the instrument itself is discontinued.
Two to six weeks, depending on refurbishment scope and whether calibration is included.
We ship to 38 countries. Crating and customs handling are quoted with the instrument.
Tell us what you need and a scientist finds it for you, usually within the hour.
Last updated 19 October 2026
