Premium Borosilicate 3.3 Glass Body – 250mL capacity, clear graduated markings, GL80 screw mouth design, excellent chemical resistance and thermal stability, perfect for vacuum experiments, buffer storage and lab reaction applications Precision Pressure Gauge & Control Valve – Equipped with a vacuum pressure gauge and adjustable control valve for real-time pressure monitoring and fine vacuum regulation, helping you accurately maintain the required vacuum environment Tight Sealing & Durable Structure – Sealed GL80 blue screw cap with matched fittings, good air tightness to sustain stable vacuum conditions; sturdy construction for repeated lab use, overall height approx 105mm for easy bench placement Clear Visibility & Easy Operation – Transparent glass for direct observation of sample status; easy to assemble, clean, a practical lab vacuum reaction bottle for daily scientific research and teaching experiments Wide Laboratory Application – Ideal for vacuum filtration, degassing, solvent storage, chemical synthesis, microbial culture preparation and other chemistry & biology lab research work
Premium Borosilicate 3.3 Glass Body – 250mL capacity, clear graduated markings, GL80 screw mouth design, excellent chemical resistance and thermal stability, perfect for vacuum experiments, buffer storage and lab reaction applications Precision Pressure Gauge & Control Valve – Equipped with a vacuum pressure gauge and adjustable control valve for real-time pressure monitoring and fine vacuum regulation, helping you accurately maintain the required vacuum environment Tight Sealing & Durable Structure – Sealed GL80 blue screw cap with matched fittings, good air tightness to sustain stable vacuum conditions; sturdy construction for repeated lab use, overall height approx 105mm for easy bench placement Clear Visibility & Easy Operation – Transparent glass for direct observation of sample status; easy to assemble, clean, a practical lab vacuum reaction bottle for daily scientific research and teaching experiments Wide Laboratory Application – Ideal for vacuum filtration, degassing, solvent storage, chemical synthesis, microbial culture preparation and other chemistry & biology lab research work
Sellers offer a range of delivery options, so you can choose the one that’s most convenient for you. Many sellers offer free delivery. You can always find the postage cost and estimated delivery date in a seller’s listing. You'll then be able to see a full list of delivery options during checkout. These can include: Express delivery, Standard delivery, Economy delivery, Click & Collect, Free local collection from seller.
Your options for returning an item vary depending on what you want to return, why you want to return it, and the seller's return policy. If the item is damaged or doesn't match the listing description, you can return it even if the seller's returns policy says they don't accept returns. If you've changed your mind and no longer want an item, you can still request a return, but the seller doesn't have to accept it. If the buyer changes their mind about a purchase and wants to return an item, they may need to pay return postage costs, depending on the seller's return policy. Sellers can provide a return postage address and additional return postage information for the buyer. Sellers pay for return postage if there's a problem with the item. For example, if the item doesn't match the listing description, is damaged or defective or is counterfeit. By law, customers in the European Union also have the right to cancel the purchase of an item within 14 days beginning from the day you receive, or a third party indicated by you (other than the carrier) receives, the last good ordered by you (if delivered separately). This applies to all products except for digital items (e.g. Digital Music) that are provided immediately to you with your acknowledgement, and other items such as video, DVD, audio, video games, Sex and Sensuality products and software products where the item has been unsealed.
Sellers have to offer a refund for certain items only if they are faulty, such as: Personalised items and custom-made items, Perishable items, Newspapers and magazines, Unwrapped CDs DVDs and computer software. If you used your PayPal balance or bank account to fund the original payment, the refunded money will go back to your PayPal account balance. If you used a credit or debit card to fund the original payment, the refunded money will go back to your card. The seller will effect the refund within three working days but it may take up to 30 days for Paypal to process the transfer. For payments funded partially by a card and partially by your balance/bank, the money taken from your card will go back to your card and the remainder will return to your PayPal balance.