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Refurbished Parker HPZA-3500-220, ideal for lab use, ensures high-purity, hydrocarbon-free air.
For sale: refurbished Parker Zero Air Generator HPZA-3500-220. This unit is perfect for laboratories requiring zero-grade air, offering a high flow rate of 30,000 ml/min with high purity. The system effectively filters compressed air to 0.01 microns and utilizes a heated catalyst module for thorough purification, rendering air completely free of hydrocarbons, making it ideal for Flame Ionization Detector (FID) applications. Reliable with no moving parts, this generator maintains a quiet operation and ensures ease of maintenance and installation. We offer additional Parker H2 Gas Generators and Parker N2 Generators. As direct suppliers, all products listed on our website are in stock and can be delivered with professional installation by our dedicated service engineers. Systems come with warranty, and we also provide comprehensive maintenance and repair services for gas generators conducted by our own experts.
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.
Often, yes. Verified suppliers frequently work with service partners converting the instrument. If applicable, we can list servicing options 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 5 November 2026
The middle half of the 37 with a price runs from €172 to €5,580.
