Our premium Soft Rubber Stoppers (size 4) with 2-holes are ideal for a variety of laboratory and DIY applications. Specifically designed to fit 100 mL and 125 mL Erlenmeyer flasks and 100 mL flat-bottom flasks, these size 4 stoppers are crafted from high-quality, non-greasy rubber with a durometer of 45, ensuring a snug fit and exceptional durability. Each stopper features two holes, making them perfect for applications requiring multiple insertions or venting options.
Features
- High-Quality Material: Soft, non-greasy rubber for reliable sealing.
- Fits Perfectly: Designed for 100 mL and 125 mL Erlenmeyer flasks and 100 mL flat-bottom flasks.
- Precise Dimensions: Top diameter of 26mm, height of 25mm, bottom diameter of 20mm.
- 2-Hole Design: Ideal for applications requiring multiple insertions or venting.
- Convenient Pack: Approximately 38 stoppers per 1-pound pack.
- Durable: Durometer of 45 for optimal firmness and flexibility.
Soft Rubber Stoppers with 2-Holes (Size 4) - 1 lb Pack
We want you to be completely satisfied with your purchase on Science Outside. If for any reason you are not satisfied, items can be returned within 30 days of delivery for a full refund or exchange. To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.
To initiate a return, please contact our customer service team at scienceoutside2020@gmail.com to receive a return authorization. Once your return is received and inspected, we will issue a refund to your original payment method or process an exchange for the item(s) returned. Please note that shipping costs are non-refundable and return shipping fees are the responsibility of the customer, unless the return is due to an error on our part.
For items that are damaged, defective, or incorrect upon delivery, please contact us immediately for assistance. We will work with you to arrange a return, replacement, or refund as needed.
Thank you for shopping with Science Outside. If you have any further questions or need assistance, please don't hesitate to contact us.