stonylab Hex Head Hollow Glass Stopper for Sealing Lab Glassware, 14/20 Outer Joint, Closed Bottom, Hexagonal Glass Stopper for Laboratory Use (14/

stonylab Hex Head Hollow Glass Stopper for Sealing Lab Glassware, 14/20 Outer Joint, Closed Bottom, Hexagonal Glass Stopper for Laboratory Use (14/

Designed for sealing lab glassware with 14/20 outer joints, ensuring a secure and airtight connection in laboratory experiments Hollow glass stopper for reduced weight while maintaining a tight seal Hexagonal head allows easy handling and cleaning, with side grooves to prevent slippage Made from durable glass, resistant to chemicals and heat up to 200°C, reusable and long-lasting 1-year coverage period for your peace of mind, if received damaged, please let us know and we will solve it promptly Description

stonylab engages in providing premium products to customers. We provide 12 months limited warranty and promise for excellent customer service. Please do not hesitate to contact us for any questions or concerns. We are always here to assist.