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225 cm² vent cap culture flask with 0.2 μm hydrophobic membrane for sterile gas exchange Status: open State: used Price: 4400 Price_From: null Amount: 1 External_ID: 431082 Weight: null Width: null Height: null Length: null Shipping_Info: null Delivery_Info: null Additional_Info: Product is expired and sold as-is; performance may differ from new condition. Product_Details: ```json [ {"name": "Culture Surface Area", "value": "225 square centimeters", "category": "Physical", "position": 1, "source": "product description"}, {"name": "Neck Shape", "value": "Angle", "category": "Physical", "position": 2, "source": "product description"}, {"name": "Cap Type", "value": "Vent Cap", "category": "Physical", "position": 3, "source": "product description"}, {"name": "Quantity", "value": "1 case (5 pcs/bag × 4 bags = 20 pcs)", "category": "Packaging", "position": 4, "source": "product description"}, {"name": "Material Body", "value": "Polystyrene (PS)", "category": "Material", "position": 5, "source": "product description"}, {"name": "Material Cap", "value": "Polyethylene (PE)", "category": "Material", "position": 6, "source": "product description"}, {"name": "Vent Membrane Material", "value": "Polytetrafluoroethylene (PTFE)", "category": "Material", "position": 7, "source": "product description"}, {"name": "Membrane Pore Size", "value": "0.2 μm hydrophobic", "category": "Performance", "position": 8, "source": "product description"}, {"name": "Surface Treatment", "value": "Cell culture treated", "category": "Performance", "position": 9, "source": "product description"}, {"name": "Sterilization", "value": "Sterilized", "category": "Performance", "position": 10, "source": "product description"}, {"name": "Pyrogen Free", "value": "Yes", "category": "Performance", "position": 11, "source": "product description"} ] ```
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
The middle half of the 170 with a price runs from €46 to €347.
